planet maths 4th class answers planet maths 3rd class...
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Planet Maths 4th Class Answers
163Planet Maths Teacher Resources • 3rd Class
Planet Maths 3rd Class Textbook Answers
Let’s Look Back Page 5
A. 1. 14 2. 16 3. 18 4. 18 5. 4 6. 12 7. 12 8. 15B. 1. 1 6 5 2. 1 8 6 3. 2 2 5 8 4 0 10 5 0 6 3 0 3 2 7 4 2 9 1 4 4C. 1. 41 2. 28 3. 35 4. 16D. 1. 30 2. 60 3. 20 4. 80 5. 90 6. 60 7. 10 8. 90 9. 40 E. 1. 64 2. 34 3. 97 4. 59
Let’s Look Back Page 6
A. 1. (a) 8 o clock (b) half one
(c) 14 past 5 (d) 14 to 4
(e) 14 to 8B.
1. 14 2. 1
2 3. 14 4. 1
2C. 1. rectangle 2. circle 3. square 4. triangle 5. oval D. 1. 17c 2. 25c 3. 38c 4. €1.07E. (a) 20c, 20c (b) 20c, 5c (c) 50c, 10c (d) 20c, 10c, 2c (e) 50c, 2c, 1c
Let’s Look Back Page 7
A. 1. 99 2. 77 3. 90 4. 66 5. 51 6. 43 7. 39 8. 25 9. 108 10. 32 11. 73 12. 98 13. 91 14. 132 B. 1. 61 2. 4 o’ clock 3. 1
4 4. 50c, 10c 5. 48 6. 4 7. 28 8. 56
Topic: Place value Page 8
B.
1. 18 2. 34 3. 49 D. 1. 3 tens and 5 units 2. 5 tens and 2 units 3. 1 tens and 7 units 4. 5 tens and 5 units 5. 9 tens and 1 unitsE. 1. 7 2. 90 3. 3 4. 8 5. 40 6. 6 7. 80 8. 7 9. 7 10. 90 11. 80 12. 5 13. 70 14. 10 15. 90 16. 60
Topic: Place value Page 9
A. 1. (a) 527 (b) 541 2. (a) 582 (b) 562 B. 1. 40 2. 700 3. 5 4. 100 5. 40 6. 6 7. 6 8. 200 9. 400 10. 200 11. 80 12. 0 13. 60 14. 7 15. 40 16. 90 17. 0 18. 600 19. 800 20. 2 21. 70 22. 300 23. 90 24. 4C. 1. 742 2. 951 3. 730 4. 981 5. 654 6. 850
Topic: Place value Page 10
A. 1. 67,45,17 2. 89,21,20 3. 120,90,50 4. 573, 572, 356, 245 5. 98, 67, 4 6. 65, 56,12 7. 267, 134, 34 8. 2001, 222, 202, 200 9. 107, 91, 41, 19B. 1. 1 hundred, 5 tens and 6 units 2. 3 hundred, 4 tens and 5 units 3. 6 hundred, 7 tens and 2 units 4. 2 hundred, 5 tens and 1 units 5. 9 hundred, 0 tens and 6 units 6. 5 hundred, 2 tens and 4 units 7. 8 hundred, 4 tens and 0 units 8. 1 hundred, 2 tens and 2 unitsC. 1. 951 2. 999 3. 6 4. hundreds 5. 479 6. 636 7. 7 8. 800 9. 902 D. 1. 10 2. 20 3. 40 4. 50 5. 50 6. 60 7. 50 8. 50 9. 110 10. 250 11. 430 12. 320 13. 620 14. 740
Topic: Place value Page 11
A. 1. 100 2. 200 3. 100 4. 100 5. 200 6. 200 7. 200 8. 300 9. 400 10. 500 11. 800 12. 300 13. 500 14. 800 15. 400 16. 600 17. 100 18. 200 19. 900 20. 300B. 1. 341 – 300 2. 138 – 100 3. 551 – 600 4. 210 – 200 5. 875 – 900
C. 1. 17 2. 12 3. 9 4. 22D. 1. 11 2. 5
Topic: Place value Page 12
B. 1. (a) 4 tens, 5 units (b) 7 tens, 8 units (c) 2 hundreds, 3 tens and 5 units (d) 7 hundreds, 0 tens and 8 units 2. (a) 4 (b) 80 (c) 30 (d) 500 (e) 900 3. (a) 943 (b) 421 (c) 641 (d) 710 (e) 521 4. (a) 87, 127, 507, 692 (b) 89, 387, 452, 701 (c) 3, 39, 451, 647 5. (a) 30 (b) 40 (c) 90 (d) 70 (e) 10 6. (a) 100 (b) 600 (c) 800 (d) 300 (e) 500 D. 1. largest 2. rounded 3. tens 4. nearestE. Clodagh – 347 Ciara – 552 Maria – 954 Sinéad – 568 Naomi – 472
Topic: Addition Page 13
B. 1. 9 2. 6 3. 8 4. 8 5. 12 6. 10 7. 15 8. 12 9. 15 10. 14 11. 12 12. 16 13. 11 14. 18 15. 13 16. 13 17. 12 18. 20 19. 22 20. 24 21. 18 22. 11 23. 15 24. 16 25. 22 26. 16C. 1. 9 4 5 2. 10 5 6 3. 10 12 2 2 6 10 3 7 11 0 8 6 7 8 3 8 9 4 14 4 6 4. 3 10 5 5. 4 11 6 6. 1 6 5 8 6 4 9 7 5 8 4 0 7 2 9 8 3 10 3 2 7
Topic: Addition Page 14
A. 1. 69 2. 69 3. 69 4. 53 5. 74 6. 80 7. 99 8. 94 9. 56 10. 91 11. 82 12. 67 13. 99 14. 83 15. 83 16. 98
164 Planet Maths Teacher Resources • 3rd Class
B. 1. 99 2. 85 C. 1. 129 2. 118 3. 141 4. 150 5. 120 6. 114 7. 179 8. 190 9. 122 10. 147 11. 104 12. 228 13. 164 14. 176
Topic: Addition Page 15
A. 1. 439 2. 423 3. 783 4. 709 5. 532 6. 511 7. 716 8. 910 9. 800 10. 557 11. 415 12. 472 13. 489 14. 738 15. 596B. 1. 735 2. 680 3. 502 4. 439 5. 751 6. 945 7. 874
Topic: Addition Page 16
A. 1. 70 2. 120 3. 130 4. 100 5. 150 6. 170 7. 130 8. 180 9. 210 B. 1. 800 2. 500 3. 800 4. 900 5. 300 6. 600 7. 700 C. 1. 24, 6 2. 47, 43 3. (a) 9 (b) 31 (c) 13 4. (a) 11, 9 (b) 2, 48 (c) 25, 5 (d) 31, 9 (e) 35,25 5. (a) 2, 6, 18, 24, 48 (b) 98D. 1. (a) 75 (b) 135 2. (a) €1.00 (b) €1.80 3. 575
Topic: Addition page 17
B. 1. 18 2. 17 3. 20 4. 69 5. 79 6. 99 7. 95 8. 80 9. 63 10. 73 11. 586 12. 935 13. (a) 100 (b) 90 (c) 70 (d) 90 14. (a) 800 (b) 700 (c) 600 (d) 800C. 1. 58 2. 189 3. 445 4. 380
Topic: Time Page 18
B. 1. 60 2. 60 3. 120 4. 180 5. 24 6. 366 C.
1. (a) 14 (b)
14 past
2. (a) 12 (b)
12 past
3. 14
D. 1. 10 past 4 2. 5 past 7 3. 25 past 10 4. 5 past 12
5. 14 to 1 6. 10 to 4
Topic: Time Page 19
A. 1. 5 past 9 2. 10 past 5
3. 12 past 4 4. 25 past 2
5. 10 past 2 6. 14 past 9
7. 20 past 7 8. 14 past 11 9. 25 past 3 10. 5 past 5C. 1. 20 to 9 2. 25 to 4
3. 10 to 7 4. 14 to 8
5. 10 to 6 6. 5 to 1D. 1. (a) 10 to 3 (b) 10 past 3 2. (a) 5 o clock (b) 20 past 5
3. (a) 12 past 10 (b) 10 to 11 4. (a) 5 past 8 (b) 25 past 8 5. (a) 20 past 6 (b) 20 to 7
Topic: Time Page 20
A. 1. 1:00 2. 4:05 3. 3:10 4. 8:15 5. 6:20 6. 2:25 7. 9:15 8. 4:35 9. 10:40B. 1. 6:05 2. 2:50 3. 11:20 4. 10:30 5. 5:30 6. 5:35 7. 2:25 8. 6:45 9. 8:20 C. 1. 4:00 2. 7:30 3. 5:00D. 1. 10 past 11 2. 12: 15 3. 10:25 4. 20 past 7
Topic: Time Page 21
A. 1. 2 o’ clock 2. afternoon
3. At the zoo 4. 3 12 hours 5. 2:15 6. 3 hours 7. - 8. €33B. 1. 11: 45 2. 50 minutes 3. 3:10C. 1. 12 minutes 2. 6 minutes 3. Sarah, 30 seconds
Topic: Time Page 22
B.
1. (a) 25 past 8 (b) 14 to 6
(c) 25 to 3 (d) 20 past 7 3. (a) 3:10, (b) 6:40 (c) 9:25 (d) 11:45 4. (a) 20 past 7 (b) 2:30C. He walked the dog at 10:00 He went out to play at 10:15 He ate lunch at 12:00 He called for a friend at 6:30
D. 1. hours 2. 15 3. minutes 4. digital 5. minute 6. hour 7. minutes
Topic: Lines & Angles Page 23
C. 1, 5, 6, 8
Topic: Lines & Angles Page 24
A. 1. Vertical 2. Parallel, horizontal and vertical 3. Parallel and horizontal 4. horizontal 5. Parallel and vertical 6. Parallel, vertical and horizontal D. Yes
Topic: Lines & Angles Page 26
A. 1. Greater 2. less than 3. right angle 4. less thanB. 1. (a) 3 (b) 4 (c) 0 (d) 5 (e) 5 (f) 4 2. rectangle, arrow and square/diamond 3. (a) 5 angles 0 right angles (b) 4 angles 4 right angles (c) 4 angles 4 right angles (d) 0 angles 0 right angles
Topic: Lines & Angles Page 27
B. 1. (a) Parallel or horizontal (b) horizontal (c) vertical 2. square/rectangleC. 1. True 2. False 3. True 4. False 5. True 6. False 7. True 8. TrueD. 1. Parallel 2. angle 3. right 4. horizontal 5. vertical
Maths in a Stadium Page 28
1. 8 2. 48 3. Goal = 8, box = 4, Altogether = 12 4. 42, 347 5. 1 hour 6. 70 7. €3 8. €10 9. €80 10. 2:20:23 11. Away team 12. 287 13.
14 to 4
14. 436 15. 214
165Planet Maths Teacher Resources • 3rd Class
Mental Maths 1 Pages 30 and 31
A. 1. 18 2. 60 3. 50c, 20c, 10c 4. 5:00 5. 12c 6.
12 7. 6
8. 30 9. 421 10. 8B. 1. Horizontal 2. 15 3. 20 4. 2:30 5. 20c 6. square 7. 10 8. 10c 9. 5 10. 3C. 1. 900 2. 115 3. 4 4. Yes
5. 14 past 6
6. 4 + 4 + 4 + 4 + 4 + 4 = 24 7. 279 8. 230 9. 18 10. Yellow rightD. 1. 18 2. 6:20 3. 50c 4. Parallel 5. 3 6. b 7. 831 8. 10 9. cube 10. 100
Topic: Subtraction Page 32
B. Starting at the top going clockwise 20 – 5 = 15 half 20 = 10 15 – 0 = 15 20 – 6 = 14 18 – 4 = 14 30 – 16 = 14 20 – 4 = 16 23 – 3 = 20 26 – 10 = 16 half 40 = 20 half 30 = 15 22 – 8 = 14 24 – 10 = 14 28 – 14 = 14C. 1. 8 2. 21 3. 8 Challenge: BJ made the star cookies Matt made the heart cookies Sara made the circular cookiesD. 1. 11 2. 51 3. 41 4. 10 5. 51 6. 54 7. 12 8. 1 9. 44 10. 20 11. 27 12. 10 13. 11 14. 49 15. 41 16. 47
Topic: Subtraction Page 33
A. 1. 9 2. 19 3. 17 4. 28 5. 17 6. 16 7. ? 8. ? 9. 28 10. 37 11. 26 12. 10 13. 44B. 1. 40 2. 28 3. 56 4. 13 5. 4 6. Chocolate bars as there are less left 7. 50c
C. 1. 109 2. 219 3. 71 4. 503 5. 174 6. 209 7. 177 8. 99 9. 72 10. 307 11. 23 12. 289
Topic: Subtraction Page 34
A. 1. 219 2. 444 3. 534 B. 1. 189 2. 188 3. 89 4. 183 5. 489 6. 258 7. 259 8. 89 9. 79 10. 179 11. 279 12. 357C. 440 – 220 – 64 – 19 – 384 – 372- 0D. The two children go over One comes back One man goes over One child comes back two children go over One child comes back One man goes over One child comes back Two children go over
Topic: Subtraction Page 35
A. 1. 59 2. 119 3. 33 4. 139 5. 24 6. 66 7. 38 8. 69 9. 24 10. 79 11. 448 12. 73B. 1. €14.59 2. Giant art set 3. €1.60 4. 2 for €20 5. €7.98 6. – 7. (a) 60 (b) – 8. €5.41 Challenge: 1. 1, 2, 4, 5 or 6 2. 17 3. -
Topic: Subtraction Page 36
B. 1. 26 2. 55 3. 41 4. 63 5. 11 6. 39 7. 6 8. 18 9. 19 10. 9 11. 109 12. 178 13. 48 14. 187 15. 383 16. 149C. 1. 64 2. 22 3. 594 4. 34 5. 22 D. 1. True 2. False 3. True 4. False
Topic: Fractions Page 37
C. 1. 2 2. 4 3. 2
Topic: Fractions Page 38
A. b and c
B. 1, 2, 4, 6, 7, 9, 10C.
0, 14, 12, 34, 1 unit
Topic: Fractions Page 39
A.
1. (a) 28 or 14 (b) 38
(c) 48 or 12 (d) 18 (e) 7
8
3. (a) 24 (b) 28 (c) 4
4 (d) 68
(e) 88 (f) 48 (g) 2
2 (h) 48
(i) 88 (j) 14 (k) 6
8 (l) 44
4. (a) Luke (b) Tony (c) Alan (d) Sinead
Topic: Fractions Page 40
A.
1. 28, 48 or 24, 68 or 34, 78
2. (a) 18, 14, 12 (b) 58, 34, 78
(c) 12, 68, 44 (d) 12, 34, 78,
(e) 12, 34, 1 (f) 14, 48, 34
(g) 38, 12, 1 (h) 18, 14, 34
(i) 18, 12, 78 (j) 14, 58, 34
(k) 12, 58, 34 (l) 34, 58, 1
B.
1. (a) 1 and 18 (b) 1 and 58
(c) 212 (d) 1 and 14 (68)
2. (a) 18, 38, 24,112, 15
8, 134, 21
8, 278, 3
(b) 28, 1, 168, 21
4, 2 24, 3 24, 358
C.
1. 12 2. 12 or 24
3. 14 4. 58
Challenge: 14 or 28
Topic: Fractions Page 41
B.
1. (a) 12 or 24 (b) 34
(c) 78 (d) 68or 34
2. (a) 24 (b) 34
(c) 22 and 88 (d) 28
3. (a) 18,
14,
12 (b)
18,
38,
58
(c) 12,
34,
78 (d)
14,
48,
78
C.
1. 34 2.
38 3.
12 or
24
4. 14 5.
38
D. 1. Fraction 2. two 3. quarter 4. halvesE. 1. Sarah ate the sausage pizza 2. John ate the Plain pizza 3. Jamie ate the Mushroom pizza 4. Lynn ate the Pepperoni pizza
166 Planet Maths Teacher Resources • 3rd Class
Topic: Graphs Page 42
B. 1. P.E 2. Maths 3. 5 4. –
5. – 6. 12
7. P.E, Music and Art
Topic: Graphs Page 43
A. 1. - 2. Scuttles and bananas 3. 5 4. 30 5. – 6. – 7. –Challenge: 1. Selling price: 50c, 60c, 45c, 40c, 65c,
45c, 30c 2. €9 or €2 profit 2. €9.15 or €2.30 profit
Topic: Graphs Page 44
B. 2. (a) Kreatures (b) 34 (c) 7 (d) 2 (e) – 3. 17 4. €27
Topic: Graphs Page 45
A. 1. cat – 5 dog – 10 Goldfish – 6 Horse – 1 Guinea Pig – 5 Rabbit – 3
Topic: Graphs Page 46
C. Strawberry – 10 Chocolate – 30 Mint – 5 Cookies and cream – 20 Caramel - 15E. Dog –6 Gerbil – 2 Fish – 8 Parrot – 1 Cat – 4 Hamster – 10
Topic: Multiplication Page 47
B. 1. 2,4,6,8,10,12 2. 14,16,18,20,22,24,26,28,30 3. 10,15,20,25,30,35,40,45,50,55,60 4. 3,4,5,6,7,8,9,10,11C. 1. 2+2+2+2+2+2 = 12 or 6 x 2 =12 2. 5 x 2 = 10 3. 10 x 2 = 20 4. 7 x 2 = 14 5. 2 x 2 = 4 6. 8 7. 18 8. 0 9. 16
Topic: Multiplication Page 48
A. 1. 6 x 5 = 30 2. 4 x5 =20 3. 5 x 3 = 15 4. 35 5. 10 6. 50 7. 15 8. 45 9. 5 10. 10 11. 40 12. 15
B. 1. 30 2. 8 3. 50C. Should only have 4 lily pads 1. 2,2,5,5 2. 2,3,4, 5
Topic: Multiplication Page 49
A. 1. 10,20,40,50,60,80,100 2. 6 x 10 = 60 3. 8 x 10 = 80 4. 10 5. 40 6. 100 7. 0 8. 3 x 10 9. 70 10. 40B. Three 10c stamps and five 5c stamps 3 10c stamps – 3 x 10 = 30c 5 5c stamps – 5 x 5 = 25c
Topic: Multiplication Page 50
A. 1. 50c 2. 2c x 5 = 10c 3. 5c x 6 = 30c 4. 10c x 2 -= 20, 2c x 1 = 2c, 5 x 3 =
15c (37c) 5. 10c x 3 = 30c, 5c x 4 = 20c, 2c x 2 =
4 (54c) 6. 10c x 4 = 40c, 2c x 4 = 8 (48c)B. 1. 10 2. 10 3. 60 4. Carol - 9 5. 5 x 10 =50
Topic: Multiplication Page 51
B. 1. (a) 8,10,12,14,16,18,20 (b) 10,20,25,30,40,45,50 (c) 30,40,50,70,80,90,100 2. 4 x 2 = 8 3. 6 x 5 = 30 4. 3 x 10 = 30 5. 5 x 2 = 10C. 1. €12 2. (a) €25 (b) €8 3. Second hand – Save €10D. 1. True 2. False 3. TrueE. (a) 10 (b) 45
Fright Night Page 53
1. 31st October 2. 48 3. 30
4. 3 5. 36 6. 2 7. 28 or
14
8. 12 9. 15 10. 12 5 or 5:30
11. 14 12. 75 13. 5 14.
34
15. 2
Mental Maths 2 Pages 54 and 55
A. 1. €1, 50c, 10c 2. 3 3. €1 4. 80 5. cube 6. 200 7. 3 o clock 8. 60c 9. circle 10. 30
B. 1. 50 2. 5 3. 7 4. 2
5. – 6. 60 7. 14 8. 8 >
9. 8 10. 700C. 1. 2 2. 4 3. 10 4. 25 to 11 5. 3
6. 26 or
13 7. kilograms
8. 7 9. 28 10. 20
D. 1. 20 2. d 3. 13 4. 20 5. a 6. 5 7. swimming 8. 15 9. 70 10. 60
Topic: Division Page 56
B. 1. 3 2. 5C. 1. 5 2. 2,6,7,8,9,10D. 1. 5 2. 6 3. 10 4. 1 5. 4 6. 8 7. 3 8. 9
9. 7
Topic: Division Page 57
A. 1. 10÷ 5 = 2 2. 20 ÷ 5 = 4B. 1. 6 2. 9 3. 10 4. 7 5. 6 6. 10 7. 3 8. 8 9. 5 10. 10 11. 7 12. 7 13. 9 14. 10C. Jason and Ian John and Juanita Kathy and Oliver Sue and SteveD. 30 ÷ 10 = 3
Topic: Division Page 58
A. 1. 90÷10 =9 2. 70÷10 =7B. 1. 3 2. 7 3. 6 4. 10 5. 10 6. 8 7. 3 8. 2 9. 5 10. 9 11. 3 12. 9 13. 9 14. 3 15. 8 16. 3Challenge: 2 each
Topic: Division Page 59
A. 1. 10 2. 3 3. 5 4. 9 5. 8B.Examples Sally = €5 Nicola = €2, €2, €1 Jenny = €1, €1, €1, €1, €1 Larry: €2,€1, €1,50c, 50c Paul: €2, 50c, 50c, 50c, 50c, 20c,
167Planet Maths Teacher Resources • 3rd Class
20c, 20c, 20c, 20c Sally =€2,€1, €1, €1 Nicola = 50c, 50c, 50c, 50c, 50c, 50c,
€1, €1 Jenny =, 20c, 20c, 20c, 20c, 20c, €2,
€2 Larry:,€2,€1, €1, €1 Paul: €5
Topic: Division Page 60
B. 1. 6 2. 4 3. 5 4. 9 5. 7 6. 4 7. 6 8. 9 9. 5 10. (a) 8 (b) 6C. 1. 7 2. 10 3. 4 4. 6D. share, share equally, division, divide,
group, equal groups ofE. Example answer Basket 1 : 20 Basket 2: 30 Basket 3: 50
Topic: Decimals Page 61
B. 1. (a)
210 (b)
110 (c)
310 (d)
410
(e) 510
C.
Top 12, 1 unit, 1
12 , 1
34
Bottom – 310,
410,
510,
610,
710,
910,
1210,
1410,
1510,
1610,
1810,
1910
Topic: Decimals Page 62
A. 1. (a) 0.4 (b) 0.6 (c) 0.3 (d) 0.7 (e) 0.2 2. - 3. - 1. (a) 9
10 (b) 810 (c) 5
10 (d) 110
B. 1. 0.4 2. 0.1 3. 0.6 4. 0.9D.
Top line: 210,
710,
810
Bottom line: 0.1, 0.3, 0.4, 0.6, 0.8, 0.9
Topic: Decimals Page 63
A. 1. False 2. True 3. True 4. False 5. True 6. False 7. True 8. FalseB. 1. (a) 1.2 (b) 2.5 (c) 3.7 (d) 4.1 (e) 6.3 (f) 5.9
2. (a) 1 510 or 1
12
(b) 1 910 (c) 2
610
(d) 8 410 (e) 5
710
(f) 3 110 (g) 4
710
(h) 7 210
C. 1. < 0.5 2. 0.9 > 3. < 1.0 4. < 0.3 5. = 6. < 0.6 7. 2.1 > 8. = 9. 4.1 > 10. 6.1 >
Topic: Decimals Page 64
A. 1. (a) 9.6 (b) 76.1 (c) 23.6 2. (a) 41.3 (b) 4.3 (c) 12.3 3. (a) 51.3 (b) 15.7 (c) 5.2 4. (a) 31.5 (b) 3.2 (c) 13.6C 1. (a) Radio (b) Price (c) Car (d) Petrol (e) Thermometer (f) Fair ground height restriction 2. 37.9 c 3. 90 kmph, kilmometers per hour 4. 119.9 c per litre of diesel 5. Unleaded 6. 0.75 = 75cm or 0.75m
Topic: Decimals Page 65
B. 1. - 2. 5 3. 2 4. 1 5. - 6. 0.1, 0.3, 0.4, 1.0, 3.0, 4.6, 5.0, 12.6C 1. False 2. False 3. True 4. False 5. TrueD. 1. Fraction 2. Decimal point 3. decimal fraction 4. tenth
Topic: Money Page 66
B. 1. 1c 2. €2 3. 100C. 1. (a) 86c (b) 81c (c) 76C 2. 4C 3. – 4. 8 5. Comic and colaD. 1. €2 2. cola – 50c, 10c, 5c, 1c skittles – 20c, 10c, 5c comic – 50c, 20c, 2c 2 apples – 20c, 5c, 2c, 1c 4 sweets – 20c
Topic: Money page 67
A. 1. 34c 2. 56c 3. 87c 4. €1.49B. 1. 20c, 2c 2. 20c, 10c, 5c, 1c 3. 50c, 2c, 2c 4. 50c, 20c, 20c, 5c,2 5. €1, 20c, 5c 6. €2, 20c, 10c, 5c, 1c 7. 20c, 5c, 1c 8. 20c, 20c,5c, 2c,2c 9. 50c, 20c, 5c, 2c,1,
10. €1, 10c 11. €1, 50c, 10c, 2c,2c 12. €2, €1, 20c, 20cC. Sue: 20c, 5c, 2c, 1c Emma: 10c, 5c, 5c, 5c, 2c, 1c or
20c, 5c, 1c, 1c, 1c Jack: 20c, 2c, 2c, 2c, 2cD. 1. (a) €2, €1, 50c (b) €1, 50c, 20c, 20c, 5c, 2c, 2c (c) €1 (d) €2, 20c,20c, 5c,2c,2c 2. €1.50, €3.01, €4, €2.51 3. -
Topic: Money Page 68
A. 1. €0.43 2. €0.68 3. €0.98 4. €1.55 5. €1.20 6. €2.70 7. €3.07 8. €4.76 9. €0.03 10. €0.06B. 1. €3.99 2. €1.87 3. €3.91 4. €7.18 5. €10.19 6. €7.33 7. €4.01 8. €12.30 9. €6.67C. 1. €1.11 2. €3.11 3. €2.03 4. €3.34 5. €2.89 6. €1.08 7. €1.78 8. €0.69 9. €1.17D. 1. €5.69 2. (a) €4.05 (b) € 6.50 3. (a) €1.50 (b) €1.20 (c) €1.73 (d) €1.22
Topic: Money Page 69
A. 1. €2 2. €1.60 3. 30c 4. €1.30 5. €1B. 1. €15 each 2. - 3. Caoimhe’s share €8, €7 €8, €6, €1 €8, €5, €2 €8, €4, €3 €8, €4, €2,€1C. 1. €5 2. (a) 7 (b) €5, €10, €20, €50, €100, €200, €500 3. 17
Topic: Money Page 70
B. 1. (a) 64c (b) €1.72 (c) €2.61 2. (a) 50c, 5c, 1c
168 Planet Maths Teacher Resources • 3rd Class
(b) €1, 20c, 20c, 5c, 2c, 1c (c) €2, €1, 50c, 10c, 5c, 2c (d) €2, €1, 20c, 10c, 5c, 2c 3. (a) €0.48 (b) €1.34 (c) €0.03 (d) €3.29 4. (a) €3.12 (b) €7.45 (c) €0.09 (d) €1.59C. Alison: Green tray Joe: Blue Tray Steve: Yellow Tray Eva: Red TrayD. 1. Cent 2. Euro 3. Value 4. Coin 5. Note
Topic: Problem Solving Page 71
A. 1. 7 2. 8 3. 60 4. 14 5. 22B. 1. 23 2. 44
Topic: Problem Solving Page 72
A. 1. 33 2. 58 3. 59 4. 12 5. 42B. 1. 655 2. 334 3. 867 4. 39 5. 211 6. 67
Topic: Problem Solving Page 73
A. 1. 4 2. 13 3. 22B. 1. 21 2. 49 3. 403C. 1. 4 2. 11 3. 9D. 1. 12 2. 33 3. 63E. 1. 3 2. 12
Topic: Problem Solving Page 74
1. 2 1 4 33 4 2 11 2 3 44 3 1 2
2. 2 3 1 44 1 2 31 4 3 23 2 4 1
3. 3 6 2 4 1 54 5 1 3 2 66 2 3 5 4 11 4 5 2 6 32 3 6 1 5 45 1 4 6 3 2
4. 6 3 1 4 2 52 5 4 1 3 64 2 6 5 1 33 1 5 2 6 45 6 2 3 4 11 4 3 6 5 2
5. 2 1 5 6 4 36 3 4 5 1 24 5 6 2 3 11 2 3 4 5 65 6 1 3 2 43 4 2 1 5 6
6. 6 1 2 4 5 34 3 5 6 1 25 2 6 1 3 43 5 1 2 6 51 5 4 3 6 22 6 3 5 4 1
B.Name Age BalloonBeth 5 blue Sue 6 greenPeter 7 yellow
Adam 8 red
Topic: Problem Solving Page 75
A. 1. blue, red, purple, red, blue 2. purple, purple, green, green, purple 3. white, pink, white, pink, blue
B.
C. Sheep goes over Boat goes back Cabbage goes over and the sheep
goes back Wolf goes over Boat goes back Sheep goes over
Day at the Fun Fair Page 76
1. €10 2. 8 3. €12 yes 4. 0.2 metres 5. 0.2 metres
6. 810 7.
210 8. 12 9. 4
10. 283 11. 194 12. 26 13. €6
Mental Maths 3 Pages 78 and 79
A. 1. 70c 2. 9:20 3. 30 4. 3 5. – 6. False 7. 14 8. 9:20 9. €1, 50c, 20c, 5c 10. 3B. 1. 19 2. 2 3. 9 4. €1.60 5. 6 + 6 = 12 6. 12 o clock 7. 0.9 8. 50m 9. pink circle 10. 269C. 1. 10c 2. 30 3. 6 4. €80 5. €1.77 6. 4 7. 65, 60, 55 8. 15 9. 1: 40 or 20 to 2 10. 2D.
1. 41 2. 90 3. 14 to 9
4. 38 5. c 6. 60 7. 50
8. 10 9. c 10. 15
Topic: Length Page 80
C. 1. 7cm 2. 5cm 3. 11cm 4. 4cm 5. 3cm 6. 2cm
Topic: Length Page 81
B.
1. False 2. True 3. True 4. False 5. False 6. False 7. True 8. True
Topic: Length Page 82
A. 1. (a) 1m 50cm (b) 1m 40cm (c) 1m 45cm (d) 1m 73cm (e) 1m 98cm (f) 1m 4cm (g) 2m 30cm (h) 2m 56cm 2. (a) 250cm (b) 801cm (c) 910cm (d) 378cm (e) 427cm (f) 300cm (g) 704cm (h) 632cm (i) 518cmB. 1m 71cmC. 1. 4m 05cm 2. 3 m 83 cm 3. 4 m 13 cm 4. 5 m 89 cm 5. 6 m 68 cm 6. 6 m 18 cm 7. 9 m 12 cm 8. 9 m 10 cmD. 1. 1m 12 cm 2. 2m 09 cm 3. 1m 89 cm 4. 2m 88 cm 5. 3m 78 cm 6. 73 cm 7. 39 cm 8. 49 cm 9. 1m 65cm
Topic: Length Page 83
A. 1. 92cm 2. 107cm 3. 500cm or 5m 4. 16 5. 13cm 6. 10B. 1. 7m20cm 2. 5m 15cm 3. 16m 62cm 4. 7m 24cm 5. 12m 94cm 6. - 7. Monkey, lion, polar bear, penguin,
elephant,panda and giraffe 8. 17m 57cm
Topic: Length Page 84
B. 1. (a) 5 cm (b) 3cm (c) 6cm 2. (a) 1m 40cm (b) 2m 15cm (c) 1m96cm (d) 110cm (e) 187cm (f) 234cm 3. (a) 2m 77cm (b) 4m 30cm (c) 3m 82cm (d) 6m 39cm (e) 2m 56cm (f) 91cm (g) 1m 12cm C. 1. 450cm or 4m 50cm 2. 20cm 3. 3m 15cmE. Jody: Carrot Chris: Pencil Chloe: Wheenbarrow David: Football pitch
Topic: Multiplication 2 Page 85
B. 8,12,16,20, 24,28, 32,36, 40D.
169Planet Maths Teacher Resources • 3rd Class
1. 12 2. (a) 12 (b) 8 3. 12 4. 8 5. 20 6. 40 7. 36 8. (a) 90 (b) 360
Topic: Multiplication 2 Page 86
A. 1. (a) 4 + 4 +4 + 4+4 + 4 +4 + 4 = 32 (b) 8 x 4 = 32 2. (a) 4 +4 + 4= 12 (b) 3 x 4 = 12 3. (a) 4 + 4 +4 + 4+4 + 4 = 24 (b) 6 x4 = 24 4. (a) 4 + 4 +4 + 4+4 + 4 +4 + 4 + 4 = 36 (b) 9 x 4 = 36B. 1. 2 x 4 =8 2. 9 x 4 = 36C. 1. (a) 32 (b) 16 (c) 20 (d) 40 2. (a) 12 (b) 28 (c) 8 (d) 4 3. 28
Topic: Multiplication 2 Page 87
A. 1. 16, 24, 32, 40 2. 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 3. 8, 16, 24, 32, 40, 48, 56, 64, 72, 80B. 1. (a) 8 + 8 + 8 + 8 + 8 + 8 = 48 (b) 6 x 8 = 48 2. (a) 8 + 8 + 8 + 8 + 8 + 8+ 8 + 8+
8 = 72 (b) 9 x 8 = 72 3. (a) 8 + 8 + 8 = 24 (b) 3 x 8 = 24C. 1. – 2. 80
Topic: Multiplication 2 Page 88
A. 1. (a) 64 (b) 80 (c) 16 (d) 40 2. 56 3. 32 4. 48 5. 72B.Clockwise from top 1. 10, 6, 16,18,14,20,8,12 2. 20,36,8,12,32,24,16,28 3. 56,24,64,32,80,40,0,8C. 1. €48 2. (a)€24 (b) €24 3. (a) €66 (b) €84
Topic: Multiplication 2 Page 89
B. 1. 12,16, 24,28,32, 2. 16,24,40,48,56, 72, 80 3. 4 + 4 + 4 = 12 4. 8 + 8 + 8 + 8 + 8 + 8 = 48 5. 5, 10 6. 8, 40 7. 32 8. 27 9. 24 10. 28
11. 4 12. 0 13. 3 14. 10 C. 1. 5 2. 10 D. 1. Multiple 2. multiply, forty eight 3. times 4. AltogetherE. 1. Bart – 10 Kate – 24 Claire – 28 2. 62
Topic: Division 2 Page 90
B. 1. 3 2. 5C. 1. (b) 2
Topic: Division 2 Page 91
A. 1. 6 2. 10 3. 2 4. 8B. 5 C. 1. 2 2. 4 3. 3 4. 10D. 1. 9 2. 7 3. 4 4. 8 5. 7 6. 2 7. 8 8. 10 9. 10 10. 4 11. 1 12. 6
Topic: Division 2 Page 92
A.
1. 9 2. 9 3. 4Challenge 1. 9 2. 10
Topic: Division 2 Page 93
A. Mystery no. 7B. On the board : A 619 B 3 C 444
( All connected to time) D divide 1. 28 2. 619 and 13 3. 8 4. Numbers to do with time – months in
a year, minutes in an hour, days in a week, days in a year
5. divide 6. 8 7. 92 8. 3 9. 3Challenge: 325
Topic: Division 2 Page 94
B. 1. (a) 24 ÷ 4 = 6 (b) 56 ÷ ___ = ____ 2. 7 3. 8 4. 2 5. 5 6. (a) 4 (b) 9 (c) 7 (d) 8C. 1. 5 2. 9 3. 4D.
share equally three divideE.
Topic: Chance Page 95
B. 2. (a) certain (b) possible (c) certain (d) possible (e) impossible (f) possible (g) possible (h) impossible (i) certain
Topic: Chance Page 96
A. 1. Likely 2. Unlikely 3. Unlikely 4. Unlikely 5. Unlikely 6. Likely 7. Unlikely 8. UnlikelyB. 1. Likely 2. Unlikely
Topic: Chance Page 97
A. 1. (a) Unlikely (b) Certain (c) Likely (d) Impossible (e) Unlikely (f) Likely (g) Certain (h) Impossible
Topic: Chance Page 98
A. 1. 3,1,2 2. Depends on the season/time of year 3. 2,1,3 4. Depends on the day 5. 2,3,1
Topic: Chance Page 99
B. 1. (a) Depends on the day (b) - (c) Depends on the time of year (d) Unlikely (e) Certain/Likely (f) Unlikely (g) Unlikely 2. (a) Impossible (b) Unlikely/possible (c) LikelyC. No, Jo is more likely to win as there is
a greater chance that 2 blue ribbons will be pulled out.
D. 1. Impossible 2. – 3. Unlikely
170 Planet Maths Teacher Resources • 3rd Class
Marvin the Great! Pages 100 and 101
1. Likely/possible 2. Impossible 3. Impossible 4. Likely 5. – 6. 36cm 7. 1m 80cm 8. 3 9. 32 10. cups/hat/balls
11. 14 12. €58
13. sphere
Mental Maths 4 Pages 102 and 103
A 1. 150cm 2. 19 3. 4 4. red 5. 90cm 6. 36 7. pentagon 8. 950 9. 64 10. 9B. 1. 10m 2. 201
3. cylinder 4. 4:30 or 12 4 5. 25, 20 6. ÷ 7 .– 8. 200
9. 118 10. greater
C. 1. Impossible 2. 5:30 3. 60c 4. Change sum 5. Horizontal dots 6. False 7. 3.1 8. 60 9. 36 10. 2, 4D. 1. 750g 2. 10 3. 6 4. c 5. 20 to 7 6. 3 7. B 8. vertical 9. 400 10. 48
Topic: Fractions 2 Page 104
B. 1. 5 2. 3C. 1. (a) 5 (b) 3 (c) 2 (d) 6 2. (a) 3 (b) 2 (c) 5
Topic: Fractions 2 Page 105
A. 1. 5 2. 10 3. 4 4. 8 5. 6 6. 2 7. 7 8. 6 9. 3 10. 8B. 1. 7 2. 7 3. 4 4. 4 5. 9 6. 3 7. 6 8. 15 9. 5 10. 23C. 1. 5 2. 6 3. 8 4. 16 5. 12 6. 4D. 1. (a) 3 (b) 3 2. 8, 2, 4
Topic: Fractions 2 Page106
A. 1. (a) 10 (b) 9 (c) 2 2. 2 3. 5 4. 10 5. 7 6. 6 7. 9 8. 1 9. 4B. 1. 5, 10 2. 24 3. 6Puzzle: 12
Topic: Fractions 2 Page 107
A. 1. 12 2. 20 3. 24 4. 16 5. 50B. 1. (a) 9 (b) 14 (c) 18 (d) 36 2. (d) green car 3. (b) blue car as a full tank only needs 16¬ 4. -
Topic: Fractions 2 Page 108
B. 1. 5 2. 2 3. 3 4. 8 5. 9 6. 5 7. 4 8. 9 9. 4 10. 2 11. 10 12. 7 13. (a) 12 (b) 16 (c) 16 (d) 100C. 1. 10 Jellies 2 pieces of pizza 4 buns 6 cherry tomatoes 1 carton of juice 2. 5 Jellies 1 pieces of pizza 2 buns 3 cherry tomatoes
12 a carton of juice
E. 12
Topic: Multiplication 3 Page 109
B. 1. 18 2. 90 3. 27 4. 9 5. 60 6. 27
Topic: Multiplication 3 Page 110
A. 1. 15 2. 27 3. 9 4. 30 5. 24 6. 0 7. 54 8. 48 9. 18 10. 12 11. 0 12. 81 13. 0 14. 21 15. 54B. 1. 6 + 6 + 6 = 18 2. 9 + 9 + 9 + 9 + 9 = 45 3. 7 + 7 + 7 = 21 4. 6 + 6 + 6 + 6 + 6 + 6 = 36 5. 9 + 9 = 18 6. 8 + 8 + 8 = 24C. 1. 4 x 5 = 20 2. 5 x 6 = 30
3. 6 x 7 = 42 4. 9 x 2 = 18 5. 2 x 2 = 4 6. 6 x 2= 12D. 1. 24 2. 27 3. 36 4. 15 5. 18 6. 24 7. 45 8. 12
Topic: Multiplication 3 Page 111
A. 1. 21 2. 14 3. 56 4. 12B. Square mealsC. 1. 7 2. 4 3. 28 4. 4 5. 52 6. 70 7. 35 8. Monday
Topic: Multiplication 3 Page 112
A. 1. 42 2. 60 3. 65 4. 70 5. 36 6. 56C. 1. 75 2. 52 3. 54 4. 76 5. 48 6. 26
Topic: Multiplication 3 Page 113
B. 1. 35 2. 9 3. 72 4. 42 5. 6 + 6 + 6 = 18 6. 7 + 7 + 7 + 7 = 28 7. 9 + 9 = 18 8. 3 + 3 + 3 + 3 +3 = 15 9. 45 10. 114 11. 42 12. 128C. 1. 2, 8, 1, 2, 2, 4, 4, 1, 4 2. 3, 2, 2, 4, 1, 3, 1, 6, 2D. 1. multiple 2. times 3. multiplied 4. groupsE. 63
Topic: Weight Page 115
A.
1. 412 kg, 23
4 kg, 514 kg, 33
4 kg
2. 3kg, 114 kg, 33
4 kg, 214 kg
3. 2kg, 14 kg, 234 kg, 11
4 kg 4. –
5. 814 kg or 8kg 250g
6. 5kg, 112 kg, 61
2 kg, 312 kg
B. 1. (a) 700g (b) 657 g (c) 616 g (d) 463 g (e) 692 g 2. (a) 639 g (b) 524 g (c) 311 g (d) 387 g (e) 626 g 3. 577 g 4. 112g, 210g
171Planet Maths Teacher Resources • 3rd Class
Topic: Weight Page 116
A. 1. (a) 322 g (b) 491 g (c) 322 g (d) 287 g (e) 689 g 2. 165 g 3. 1,220 gB. 1. (a) 6kg 140g (b) 5 kg 600g (c) 4 kg 930g (d) 1 kg 280g (e) 4kg 430g (f) 1kg 752g 2. (a) 9kg 350g (b) 9kg 230g (c) 9kg 530g (d) 6kg 257g (e) 5kg 088g 3. 260g, 440g, 960g, 570g 4. (a) 240g
Topic: Weight Page 117
B. 1. (a) 70kg (b) 90 kg (c) 80kg 2. The second trip 3. The first trip 4. The first trip 5. The second trip 6. 240 kg 7. €240 8. The raft would topple or sink 9. 4
Topic: Weight Page 118
1. (a) 997g (b) 947g (c) 874g (d) 1421g 2. (a) 6kg 013g (b) 7kg 470g (c) 3kg 142g (d) 3kg 774g 3. (a) 150g (b) 90gC. 1. 1kg 700g 2. SameD. 1. grams 2. kilograms 3. estimating 4. heavierE. Well 1 kg must equal 12 a brick as a
brick can only be 12 plus 12. Therefore a brick weighs 2kg
Topic: 2D Shapes Page 119
B. 1. Rectangle 2. Circle 3. Triangle 4. Semi-circle 5. Square 6. Oval
Topic: 2D Shapes Page 120
A. Any 6 sided shapeB. 1. Circles, triangles, rectangles,ovals,
hexagons
Topic: 2D Shapes Page 121
A. 1. Regular: a, b, d, h Irregular: c, e, f, g, i 2. Irregular as all angles are not the same
and it is not symmetricalC. 1, 2, 4, 6
Topic: 2D Shapes Page 122
A. 1. a, d, g
Topic: 2D Shapes Page 123
B. 1. Circle, hexagon, triangle, ovalC. Bird and a mouse. They are both
animalsD. 1. triangle 2. semi-circle 3. square 4. circle 5. regularE. 1. 7 2. 17 +
Emma’s Kitchen Pages 124 and 125
1. 12
2. squares and triangles 3. 750g 4. 8mins 5. – 6. Yes, they fit together like a jigsaw 7. 50 minutes 8. 3, 3 9. 3 10. – 11. 6 eggs, 500g of flour, 400g of butter,
400g of sugar, 2 tsp of baking powder, 100m¬ of milk
12. 2kg 250g 13. 250g 14. €2.11 15. -
Mental Maths 5 Pages 126 and 127
A. 1. 4 2. 850g 3. hexagon 4. 4 5. 10 to 2 or 9:50 6. 90cm 7. 42 8. 4 9. True 10. EricB. 1. 167 2. 0 3. d 4. €1, 50c, 20c, 10c, 5c, 2c, 1c 5. 8 6. 90c 7. 3 8. 0.4 9. – 10. 3:30C. 1. oval 2. heavier 3. 102 4. 1.9 5. 12 6. 9
7. 1kg 375g 8. – 9. yes 10. €54.50D. 1. c and d 2. 600g 3. 2 4. 6 5. 10 ( It is possible to find lots more) 6. 10 7. a 8. 2 9. 4 10. 4
Topic: Number Patterns and Sequences Page 128
B. 3. yellow, green, red, orange, yellow,
green 5. red, blue, purpleC. 1. AE, AF, AG, AH 2. EF, FG, GH, HI 3. VU,UT,TS,SR 4. EV,FU,GT,HS 5. 523, 623,723 6. 468,579,6810, 7911 7. HSMAT, SMATH, MATHS 8. lcoo, cool, oolc, olco
Topic: Number Patterns and Sequences Page 129
B. 1. (a) 77, 88, 99, 110 (b) 30, 20, 10, 0 (c) 20, 24, 28, 32 (d) 12, 8, 4, 0 (e) 40, 35, 30, 25 (f) 15, 12, 9, 6 2. (a) 95, 94, 93, 92 (b) 33, 22, 11, 0 (c) 15, 18, 21, 24 (d) 21, 14, 7, 0 (e) 45, 36, 27, 18 (f) 15, 21, 28, 36 3. (a) 56, 48, 40, 32 (b) 22, 16, 10, 4 (c) 79, 77, 75, 73 (d) 22, 17, 11, 4 (e) 28, 34, 41 (f) 30, 20, 15 4. (a) 650, 750, 850 (b) 655, 654, 653 (c) 195, 190, 185 (d) 898, 894, 890 (e) 593, 584, 575 (f) 892, 896, 900C. 1. 4 2. 14 3. 24 4. (a) 34 (b) 44 (c) 54 (d) 64
Topic: Number Patterns and Sequences Page 130
A. 1. 6 2. 11 3. 14 4. 11 5. 8 6. 18 7. 34 8. 27B. 1. 26 2. 17 3. 26 4. 55 5. 21 6. 42
172 Planet Maths Teacher Resources • 3rd Class
C. 1. 5, 5, 2, 1, 4, 7, 6, 3, 3 2. 5, 11, 2, 3, 6, 9, 10, 1, 7 3. 9, 2, 10, 8, 7, 6, 4, 12, 5 The magic number is 21 4. 5, 10, 9, 9, 8, 4, 7, 6, 11 The magic number is 24
Topic: Number Patterns and Sequences Page 131
A. 1. (a) 5 (b) 4 (c) 4 (d) 6 (e) 7 (f) 9 (g) 9 (h) 8 2. (a) 9 (b) 9 (c) 4 (d) 7 (e) 9 (f) 9 (g) 7 (h) 9 (i) 9B. 1. 24 + 4 = 28 2. 34 + 28 = 62 3. 98 – 22 = 78 4. 2 x 7 = 14 5. 24 ÷ 3 = 8C. 1. 100 2. 110 3. 43 4. 38D. 1. 91 2. 44 3. 24 4. 4 5. 73 6. 29 7. 70 8. 9
Topic: Number Patterns and Sequences Page 132
B. 1. 6, 10, 12, 16,18 2. 66,55,44,33,22,11 3. 62,58,54,50,46,42 4. ABD,ABE,ABF,ABG 5. Dd4, Ee5,Ff6,Gg7 6. 22 7. 44 8. 7C. DD. 1. Sequence 2. pattern 3. number sentenceE. 21, 34, 55, 89. Each number is being
added to the previous number
Topic: Symmetry Page 133
B. 1,2,3,5,8
Topic: Symmetry Page 134
B. 1. c,f,h,j,k,l 2. 5
Topic: Symmetry Page 135
A. 1. 4 2. Infinte 3. 6 4. 1 5. 1 6. 2 7. 2 8. 2E. 1. ABCDEHIKMOTUVWX 2. The digits 3,8,1,0
Topic: Symmetry Page 137
A. 4. (a) 4 (b) 2 (c) 1 (d) 3C. 1. (a) rectangle (b) semicircle (c) square
Topic: Area Page 138
B. 1. house 2. stamp 3. stamp, book, desk, whiteboard, houseC. 1. 10 2. 56 3. 15 4. 64D. 35
Topic: Area Page 139
A.
1. 13 2. 13 3. 712 4. 7
5. 1 6. 8
Topic: Area Page 140
B. 1. 16 2. 20 3. 24 4. 10 5. 21 6. 16
Topic: Area Page 141
A. 1. 64 squares 2. 12 squares 3. 8 squares 4. 4 squares 5. 2 squares 6. 3 squares 7. 39 squares 8. 569 squaresB. 1. 16 2. 25 3. 25 4. 40 5. 25
Topic: Area Page 142
2. (a) 8 (b) 8 (c) 9 (d) 2 (e) 8C. 16D.
Topic: Division 3 Page 143
B. 1. 3 2. 8 3. 3 4. 2 5. 3 6. 4 7. 2 8. 7 9. 4 10. 6 11. 8 12. 1 13. 7 14. 7 15. 9 16. 10C. 72 ÷ 9 = 8
D. 1. 24 ÷ 3 = 8 2. 28 ÷ 4 = 7 3. 15 ÷ 5 = 3 4. 18 ÷ 3 = 6
Topic: Division 3 Page 144
A. 1. 5 2. 5 3. 5 4. 3 5. 7 6. 2 7. 9 8. 7 9. 4 10. 9 11. 9 12. 1 13. 2 14. 5 15. 7B. 1. 5 2. 9 3. 9 4. 8 5. 9 6. (a) 10 (b) 16 7. 8C. 4 insects and 3 spiders
Topic: Division 3 Page 145
A. 1. 6 2. 2r1 3. 2 4. 2r1 5. 1r2 6. 2r2 7. 4r1 8. 4r1B. 1. 1 2. (a)5 (b) 2 3. 6 4. 9 5. (a) 8 (b) 0 6. (a) 6 (b) No
Topic: Division 3 Page 146
A. 1. 16 2. 14 3. 16 4. 18 5. 14 6. 17 7. 14 8. 19 9. 19 10. 12B. 1. 27r1 2. 14r2 3. 11r7 4. 12r4 5. 19 6. 14r2 7. 16r1 8. 12r3 9. 16r2 10. 13r2C. 1. 7r1 2. 4r2
Topic: Division 3 Page 147
B. 1. 7 2. 9 3. 9 4. 6 6. 7 7. 6 8. 9 9. 3 10. 7r1 11. 8r0C. 1. 4 2. 10 3. 6r2 4. 3r2E.
TeamNumber of players on
team
Barracudas 15
Sharks 12
Dolphins 12
Stingrays 18
TeamNumber of players in
each car
Barracudas 3
Sharks 4
Dolphins 3
Stingrays 6
173Planet Maths Teacher Resources • 3rd Class
TeamNumber sentence
showing number of cars
Barracudas15 players ÷ 3 people in each car = 5 cars
Sharks 12 ÷ 4 = 3
Dolphins 12 ÷ 3 = 4
Stingrays 18 ÷ 6 = 3
TeamNumber of cars per
team
Barracudas 5
Sharks 3
Dolphins 4
Stingrays 3
The Playground Pages 148 and 149
1. 10 squares 2. green, yellow, blue, white ,red 3. 14, 16, 18, 20, 22, 24, 26, 28, 30,
32, 34, 36 4. 15 5. 200 – 87 = 113 or 87 + 113 = 200 6. seesaw and merry-go-round 7. – 8. 24 9. 6 10. 4:10 11. – 12. 55m 13. 8 hours 14. €64 15. – 16. 1,500, 3000
Mental Maths 6 Pages 150 and 151
A. 1. 92 2. False 3. 3 4. vertical 5. 3 r 1 6. 13 7. c 8. 54 squares 9. 300 10. 500m¬B. 1. 48 2. 15
3. 4 4. 510 or 12
5. €1.82 6. c 7. 2 8. 4 9. – 10. 64cmC. 1. 9:40 2. Rectangle straight with yellow spot at
the bottom 3. 2 4. 9 r 2 5. 10cm 6. 4 7. b 8. 31 9. 56 10. €55D. 1. €328 2. d
3. 45 4. 18
5. 85 6. €1.97 7. 3014 8. sphere 9. €1.80 10. 52
Topic: 3D Shapes Page 152
B. 1. (a) cylinder (b) cone
(c) cone (d) cube (e) cuboid (f) sphere (g) sphere (h) cuboid (i) cylinder 2. (a) Cylinder 2 Sphere 2 Cube 1C. Cylinder, cuboid, cube, sphere, cone
Topic: 3D Shapes Page 153
B. 1. (a) Edge (b) vertex (c) face 2. (a) Edge (b) face 3. (a) Edge (b) face (c) vertexC. 1. (a) cube (b) cone (c) sphere
Topic: 3D Shapes Page 154
A.
Shape cube
Does it roll? no
Can you stack it? yes
Does it slide? yes
Does it have any curved sides.
no
Does it have flat faces? yes
Shape cuboid
Does it roll? no
Can you stack it? yes
Does it slide? yes
Does it have any curved sides.
no
Does it have flat faces? yes
Shape cone
Does it roll? yes
Can you stack it? no
Does it slide? yes
Does it have any curved sides.
yes
Does it have flat faces? yes
Shape sphere
Does it roll? yes
Can you stack it? no
Does it slide? no
Does it have any curved sides.
yes
Does it have flat faces? no
Shape cylinder
Does it roll? yes
Can you stack it? yes
Does it slide? yes
Does it have any curved sides.
yes
Does it have flat faces? yes
Shape pyramid
Does it roll? no
Can you stack it? no
Does it slide? yes
Does it have any curved sides.
no
Does it have flat faces? yes
Shape triangular prism
Does it roll? no
Can you stack it? yes
Does it slide? yes
Does it have any curved sides.
no
Does it have flat faces? yes
B.
1. Cuboid 2. pyramid
3. cube 4. cone
5. triangular prism 6. cylinder
Topic: 3D Shapes Page 155
A.
Cuboid - 4 rectangles and 2 squares
cylinder – 2 circles and a rectangle
pyramid – one square and 4 triangles
B.
Shape Number of faces
Cube 6
Cuboid 6
Cylinder 3
Cone 2
Triangular prism 5
Pyramid 5
Sphere 1
Shape Number of vertices
Cube 8
Cuboid 8
Cylinder 0
Cone 1
Triangular prism 6
Pyramid 5
Sphere 0
Shape Number of edges
Cube 12
Cuboid 12
Cylinder 2
Cone 1
Triangular prism 9
Pyramid 8
Sphere 0
174 Planet Maths Teacher Resources • 3rd Class
Topic: 3D Shapes Page 156
B. 1. (a) Sphere (b) cone (c) triangular prism 2. edge, vertex, face 3. (a) 5 (b) 8 (c) 5C. 1. cube 2. cone 3. sphereE. (a) Shane (b) Grace (c) Sam (d) Jimmy (e) Steven
Topic: Capacity Page 157
B. Cup of tea, perfume, spray bottle,
milk, wasking up liquidD. 1. (a) 250m¬ (b) 1000m¬ or 1¬ (c) 500m¬ (d) 750m¬
Topic: Capacity Page 158
B. 1. 5 2. 10 3. 5 4. 150m¬ 5. 500 6. 2 7. 10 8. 3
9. 5¬ 10. 110
C. Fill the 500m¬ jug, and then pour
from it into the 200m¬ jug until it is full. Then you will be left with 300m¬ in the 500m¬ jug.
Topic: Capacity Page 159
A. 1. 250m¬ 2. 12 3. 4 4. 24 5. 12 6. 8B. 1. 3¬ 470m¬ 2. 7¬ 560m¬ 3. 7¬ 550m¬ 4. 9¬ 880m¬ 5. 7¬ 900m¬ 6. 8¬ 000m¬ 7. 10¬ 188m¬ 8. 9¬ 200m¬ 9. 9¬ 913m¬C. 1. 6¬ 690m¬ 2. 11¬ 150 m¬ 3. 8¬ 790 m¬ 4. 7¬ 770 m¬ 5. 8¬ 462 m¬ 6. 5¬ 875 m¬
Topic: Capacity Page 160
A. 1. 2¬ 245m¬ 2. 2¬ 190 m¬ 3. 2¬ 150 m¬ 4. 5¬ 363 m¬ 5. 15¬ 797 m¬ 6. 2¬ 091 m¬ 7. 4¬ 308 m¬B.
1. 60¬ 2. 55¬ 3. 112¬ or 1¬ 500m¬
4. 114¬ or 1¬ 250m¬ 5. 660m¬
6. 12C. 1. (a) 80 litres (b) 2 litres (c) 9.5 litres (d) 35 litres (e) Washing up bowl – 6 litres , dish
washer 55 litres
2. 150 litres 3. Turn the tap on and off
Topic: Capacity Page 161
B. 1 litres 250m¬ 500m¬ 750m¬C. (a) 10 (b) 1¬ 284m¬
(c) 12 litre bottleD. (a) Capacity (b) container (c) millilitres (d) measureE. Red: 1 Blue: 3 Yellow: 4
Topic: Time 2 Page 162
B. (a) pm (b) am (c) pm (d) pm (e) pm (f) am (g) am (h) pmC. 1. am 2. am 3. am 4. pm 5. pm 6. pm 7. pm
Topic: Time 2 Page 163
A. 1. 60 2. 30 3. 15B. 1. 65 minutes 2. 90 minutes 3. 85 minutes 4. 100 minutes 5. 115 minutes 6. 80 minutes 7. 130 minutes 8. 140 minutes 9. 75 minutes 10. 90 minutesC. 1. 1hour10 minutes 2. 1 hour 30 minutes 3. 1 hour 40 minutes 4. 1 hour 35 minutes 5. 1 hour 25 minutes 6. 1 hour 50 minutes 7. 2 hours 8. 2 hours 5 minutes 9. 2 hours25 minutes 10. 2 hours 30 minutesD. 1. second 2. minute 3. hour 4. day 5. week 6. month 7. yearE. 1. minutes 2. hours and minutes 3. minutes 4. months 5. days
Topic: Time 2 Page 164
A. 1. 24 2. 31 3. 4 4. Tuesday 5. Sunday 6. Wednesday 7. 3 8. 4 hours 9. 12:30 10. 3Challenge: 1. Monday 2. Tuesday
Topic: Time 2 Page 165
A. 1. News Today, 15 minutes 2. Film: Zog’s World 3. Record 4. Kim’s adventures 5. 35 minutes 6. It lasts an hour 7. 5:55 8. 1 hr 10 minutes 9. 1 hour 10. 6:30
Topic: Time 2 Page 166
B. 1. am 2. 1hr65min 3. pm 4. 1hr25mins 5. pm 6. 2 hrs 25 mins 7. am 8. 60mins 9. 85mins 10. days / weekC. 1. 12 2. 9 o clock 3. 50 minutes 4. 45 minutes 5. MondayD. 1. seconds 2. clock 3. hours 4. twelve 5. leap 6. calendar 7. pm/am
Revision Page 167
A. 1. 400 2. 928 3. 854 4. 457 5. 85 6. 476 7. 173 8. 59 9. 64 10. 42 11. 6 12. 2B. 1. (a) 40 (b) 60 (c) 30 (d) 10 (e) 70 (f) 90 (g) 20 (h) 50 2. (a) 300 (b) 100 (c) 200 (d) 800 (e) 300 (f) 500 (g) 600 (h) 700C. 1. 176 2. 4 3. (a)6 (b) 1 4. 6 5. 36
Revision Page 168
A. 1. (a) 2:40/20 to 3 (b) 7:50/ 10 to 8 (c) 1:25 /25 past 1 (d) 4:05/ 5 past 4 (e) 6:10 / 10 past 6 2. (a) 4 o clock (b) half two
¬
175Planet Maths Teacher Resources • 3rd Class
(c) quarter past three (d) twenty five past six (e) ten past eight 3. (a) 70mins (b) 85mins (c) 90mins (d) 109mins 4. (a) 1 hr 5mins (b) 1hr 40 mins (c) 1 hr 55minsB. road - kilometres door – metre and centimetres bucket- litres weights - kilograms glass – millilitres Pencil - centimetresC.
1. (a) 38 (b) 28 or 14 (c) 3
4 (d) 14
(e) 12 2. 6 3. 4 4. 5 5. 7 6. 10 7. 4 8. 9 9. 8 10. rectangle – 14, hexagon – 7
triangle – 6
Revision Page 169
A. 1. 96 2. 75 3. 288 4. 444
5. 9r2 6. 9 r 2 7. 9 r 3 8. 9 r 2B. 1. Cuboid/ rectangle 2. 60 3. pentagon 4. 15 5. 1kg 800g 6. 15kg 800g 7. 20 minutes 8. no, 1 litre 9. 1 hr 30mins 10. bz4 11. 33 12. 72
The All Stars Circus Pages 170 and 171
1. Circle 2. 20 3. 55 minutes 4. 35 5. cuboid 6. 30cm 7. red 8. (a) 5 (b) 35 9. €15.50 10. €7.75 11. 411 12. 199 13. 6 14. 6 15. 10
Mental Maths 7 Pages 172 and 173
A.
1. 28 or 14 2. 6
3. 7 4. 14 5. €1.20 6. 1m 79cm 7. 2 8. 60c 9. Friday 10. 300m¬B. 1. 5 2. c 3. 8 4. – 5. 8 r 1 6. 2m 45cm
7. 35 minutes 8. b 9. 15 10. 1060gC. 1. 30 minutes 2. ADW 3. 400m¬ 4. €2.40 5. 6 6. 339
7. 114 ¬ or 1250m¬ 8. 45
9. 90 10. 9D. 1. 4 2. hexagon 3. 8 4. €1.77 5. 0 6. 100 7. cone 8. 50kg 700g 9. 36 squares 10. parallel
Planet Maths 4th Class Answers
176 Planet Maths Teacher Resources • 3rd Class
Planet Maths 3rd Class Photocopiable Answers
Topic: Place Value Page 105
1. 45, 98, 101, 134, 151, 189, 223, 267, 367, 478, 488, 500
School Rocks! 2. (a) 742,247 (b) 850,058 (c) 630,036 (d) 530,035 (b) 852,258 (f) 641,146 (g) 974,479 (h) 642,246 3. (a) 40 (b) 10 (c) 80 (d) 40 (e) 70 (f) 60 (g) 90 (h) 70 (i) 60 (j) 90 4. (a) 400 (b) 100 (c) 400 (d) 500 (e) 700 (f) 700 (g) 300 (h) 200 (i) 700 (j) 100
Topic: Addition Page 106
1. Red (a) 26 (b) 258 (c) 89 (d) 125 (e) 619 2. Green (a) 50 (b) 724 (c) 87 (d) 133 (e) 949 3. Blue (a) 21 (b) 820 (c) 93 (d) 128 (e) 908 4. White (a) 44 (b) 92 (c) 139 (d) 989 5. Black (a) 40 (b) 74 (c) 136 (d) 834 6. Yellow (a) 42 (b) 98 (c) 161 (d) 872
Topic: Addition Page 107
(a) 12, 22, 10, 25, , 44, 13, 47, 34 (b) 25, 71, 46, 47, , 76, 22, 52, 30 (c) 56, 127, 71, 138, , 83, 82, 94, 12 (d) 39, 48, 9, 136, , 76, 97, 164, 67 (e) 135, 267, 132, 257, , 377, 122,
367, 245 (f) 122, 289, 167, 256, , 378, 134,
345, 211 (g) 245, 632, 387, 456, , 478, 211,
302, 91
Topic: Time Page 108
1. (a) 14 past 2 (b) 20 past 3
(c) 14 to 4 (d) 5 past 11 (e) 25 to 12 (f) 10 past 4
(g) 14 past 7 (h) 5 to 9
2. (a) 25 past 2 (b) 12 past 3
(c) 5 to 4 (d) 14 past 11
(e) 14 to 12 (f) 20 past 4 (g) 25 past 7 (h) 5 past 9
3. (a) 5:20 (b) 7:50 (c) 3:30 (d) 4:25 (e) 8:35 (f) 4:05 (g) 1:45 (h) 8:55
Topic: Time Page 109
1. 2:30 train 2. 6 3. 54 minutes 4. 9:30 5. 20 minutes 6. 2:30 7. The train terminates 8. (a) 1 hour 25 minutes (b) Bus 9. 11:04
Topic: Lines and Angles Page 110
1. (a), (c), (e) 2. (a) 5 (b) 5 (c) 3 (d) 6 (e) 5 (f) 5
Topic: Subtraction Page 111
1. (a) 6 (b) 4 (c) 24 (d) 48 (e) 19 (f) 29 (g) 16 (h) 14 2. (a) 30, 18 (b) 62, 26 (c) 55, 32 (d) 78, 43 3. (a) 268 (b) 162 (c) 466 (d) 289 (e) 88 (f) 48 (g) 244 (h) 42 (i) 237 (j) 134 (k) 298 (l) 622
Topic: Subtraction Page 112
1. (a) 243 (b) 514 (c) 311 (d) 199 (e) 392 (f) 102 (g) 89 (h) 422 (i) 403 (j) 311 (k) 555 (l) 133 2. 48, 27, 21 69, 72 26 22, 36, 82 55,122, 67 300, 22, 189 3. (a) 202 (b) 273 (c) 523 (d) 133
Topic: Fractions Page 113
1. (a) 12 (b) 34 (c) 2
4 or 12
(d) 12, 24 or 48 (e) 78
(f) 1
2. (a) 28, 38, 78 (b) 24, 34, 78
(c) 14, 58, 68 (d) 14, 48, 1
(e) 14, 48, 34 (f) 12, 68, 1
Topic: Fractions Page 114
1. (a) 78 (b) 78 (c) 8
8 (d) 12
(e) 112 (f) 33
8 (g) 58 (h) 1
2
2. 18, 28 (14), 38, 48 (24 or 12), 58, 67 (34), 78
3. (a) 2 (b) 3 (c) 2 (d) 6 (e) 8 (f) 2 (g) 8 (h) 4 (i) 4
Topic: Graphs Page 115
1. (a) 270 (b) 200 (c) 70 (d) 560
(e) Yes, by 350 (f) 40s (g) Mr Scully’s class (h) 120
Topic: Division Page 117
1. 3 2. 4 3. 3 4. 7 5. 7 2. (a) 1, 10, 7, 4, 9, 3, 6, 5 (b) 6, 9, 7, 10, 1, 5, 2, 3 (c) 3, 7, 1, 5, 8, 4, 2, 9 3. (a) ––– (iv) (b) ––– (vi) (c) ––– (v) (d) ––– (iii) (e) ––– (ii) (f) ––– (i)
Topic: Division Page 118
2. (a) 30 (b) 10 (c) 10 (d) 5 (e) 5 (f) 15 (g) 10c h) €9
Topic: Tenths and Decimals Page 119
1. (a) 310 – 0.3 (b) 7
10 – 0.7
(c) 110 – 0.1 (d) 9
10 – 0.9
(e) 410 – 0.4
2. (a) – (b) 1.6 (c) 3.2 (d) 5.8
(e) 4.4 (f) – (g) 3 710 (h) 2 9
10
(i) 4 110 (j) 6 4
10 3. 0.1, 0.2, 0.3, 0.5, 0.6, 0.7, 0.9 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 3.9 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9
Topic: Money Page 120
1. €2.75, €4.57, €2.74, €5.45 2. Ice-cream – 50, 20, 10, 5 Water – 1, 50, 20, 20, 2, 2 Pencil – 20, 20, 5, 2, 2, Newspaper – 1, 50, 10, 2, 1 Biscuits – 2, 1, 50, 20, 5, 2, 1
Topic: Money Page 121
1. (a) €1.25 (b) Duck and Truck (c) – (d) €11.01 (e) €1, 20c, 20c, 5c, 2c, 2c (f) 13th July
Topic: Problem Solving Page 122
1. 5 12 hours 2. €4.85 3. 95c 4. €6.20 5. 4 6. 5 7. vertically 8. 45 points 9. €115 10. 4:10
Topic: Problem Solving Page 123
Jack in the box Big bad wolf Top secret Trip around the world Swim under water Little sister Tree top
177Planet Maths Teacher Resources • 3rd Class
Tuna Misunderstood
Topic: Length Page 124
1. (a) 7cm (b) 10cm (c) 4cm (d) 3cm (e) 12cm 2. (a) 19cm (b) 18cm (c) 17cm (d) c is the shortest 3. (a) 3m 87cm (b) 7m 88cm (c) 6m 85cm (d) 8m 20cm (e) 7m 34cm (f) 31cm (g) 4m 9cm (h) 2m 90cm (i) 3m 52cm (j) 4m 2cm (k) 7m 52cm (l) 2m 59cm (m) 2m 25cm
Topic: Length Page 125
2. (a) 24cm (b) 19cm (c) 36cm (d) 12cm (e) 12cm (f) 34cm
Topic: Multiplication Page 126
1. (a) 40 (b) 30 (c) 24 (d) 25 (e) 20 (f) 50 (g) 15 (h) 16 (i) 48 (j) 35 (k) 36 (l) 6 (m) 100 (n) 64 (o) 28 (p) 80 (q) 32 (r) 8 (s) 0 (t) 14 2. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60
Topic: Multiplication Page 127
Across 4. Ten times eight = eighty 6. Six times two = twelve 7. Three times five = fifteen 8. Three times ten = thirty 9. Seven times four = twenty eight 11. Four times five = twenty 12. Two times five = ten 13. Seven times two = fourteen 14. eight times eight = sixty-fourDown 1. Six times ten = sixty 2. Two times eight =eighty 3. Seven times ten = seventy 5. Nine times two = eighteen 8. Eight times four = thirty two 10. Five times two (a) 24 (b) 50 (c) 48 (d) 17 (e) 60, 34, 26
Topic: Division Page 128
1. (a) 6 (b) 40 (c) 40 (d) 16 (e) 16 (f) 56 (g) 45 (h) 32 2. (a) 3 (b) 5 (c) 4 (d) 9 (e) 5 (f) 7 3. (a) 6 (b) 8 (c) 2 (d) 7 (e) 9 (f) 8
Topic: Division Page 129
1. (a) 35 (b) 80 (c) 48 (d) 36 (e) 18 (f) 56 (g) 40 (h) 20 (i) 32 (j) 15 (k) 24 (l) 50 (m) 10 (n) 2 (o) 80 (p) 30
(q) 45 (r) 70 2. (a) 8 (b) 9 (c) 50¬ (d) 7 (e) 5
Topic: Chance Page 130
1. Impossible, Unlikely, 50:50, Likely and Certain
2. (a)Black (f) Blue 3. impossible, likely, possible, impossible
Topic: Fractions 2 Page 131
1. (a) 6 (b) 4 (c) 3 (d) 2 (e) 6 (f) 12 (g) 1 (h) 2 2. 2,6,4,8,3,9,4,10 1,5,9,7,2,3,6,4
Topic: Fractions 2 Page 132
1. (a) 10 (b) 3 (c) 9 (d) 8 (e) 5 (f) 7 (g) 2 (h) 1
(i) 6 (j) 15 (k) 15
Topic: Multiplication Page 133
1. Clockwise from top left (a) 2,3,7,7 (b) 9,3,4,8 (c) 6,7,9,8 (d) 6,2,10,3 (e) 7,8,9,1 (f) 3,3,7,5 (g) 4,6,4,9 (h) 9,7,2,1 (i) 6,8,3,6 (j) 5,8,8,8 (k) 7,1,1,6 2. (a) 217 (b) 168 (c) 36 (d) 45
Topic: Weight Page 134
1. (a) carrot, feather (b) car, coal (c) flour, cereal (d) chocolate, brick (e) coat, chair (f) yogurt, water 2. (a) 550g (b) 150g (c) 375g (d) 1kg (e) 625g 3. (a) 5kg 317g (b) 7kg 420g (c) 10kg 201g (d) 3kg 202g (e) 1kg 593g (f) 5kg 582g
Topic: Weight Page 135
1. (a) 110g (b) 120g (c) 60g (d) 250g (e) 400g (f) 300g (g) 200g (h) 1400g 2. 14g, 40g
Topic: Area Page 140
1. (a) 8 (b) 9 (c) 10 (d) 10 (e) 16 (f) 16 2. (a) 10 (b) 11 (c) 8 (d) 7
(e) 14 (f) 1012
Topic: Area Page 141
1. (a) 1 (b) 4 (c) 8 (d) 10 (e) 3 (f) 9 (g) 6 (h) 20 (i) 2 2. (a) 7 (b) 12 (c) 10
Topic: Division Page 142
1. (a) 18 (b) 14 (c) 16 (d) 19 (e) 42 r1 (f) 18 r1 (g) 12 r2 (h) 12 r3 (i) 38 (j) 84 (k) 5 (l) (m) 6 2. (a) 6,2 (b) 3,30c (c) 2,4 (d) 12 (e) 13 (f) 13 (g) 12 (h) 29 +30, there will be an odd
number of children (i) 20 (j) 20
Topic: 3D Shapes Page 143
1. d, d, b, d 2. (a) T (b) F (c) F (d) F (e) T (f) F (g) F (h) F
Topic: Capacity Page 144
1. (a) Milk- 1¬ (b) Watering can – 5¬ (c) Paint – 3¬ (d) Bottle of water – 250m¬ (e) egg cup – 50m¬
(f) Jug of water – 112 ¬
(g) Teaspoon – 5m¬ 3. (a) 4¬ 464m¬ (b) 8¬ 489m¬ (c) 7¬ 521m¬ (d) 10¬ 807m¬ (e) 2¬ 220m¬ (f) 2¬ 288m¬ (g) 2¬ 150m¬ (h) 1¬ 706m¬
Topic: Capacity Page 145
1. (a) (b) (c) (d) (e) (f) (g) 2. (a) 50m¬ (b) 120m¬ (c) 250m¬ (d) 120m¬ (e) 140m¬ (f) 3¬
Topic: Time 2 Page 146
1. (a) 10 (b) 30 (c) 15 (d) 10 (e) 15 (f) 10 (g) 20 (h) 35 2. (a) am (b) am (c) pm (d) pm (e) pm (f) pm 3. (a) 90 (b) 75 (c) 120 (d) 146 4. (a) 1hr 10 (b) 1hr 25 (c) 1hr 52 (d) 2hr 5. (a) 25mins (b) Kidz zone (c) Sports Live (d) 1 hr 20
Topic: Time 2 Page 147
(a) 45mins (b) 25mins (c) 9:00 (d) 2hrs (e) 11:15 (f) 15 (g) 27mins (h) 3:15 (i) 35mins (j) 5:05 (k) 2hours
Planet Maths 4th Class Answers
178 Planet Maths Teacher Resources • 3rd Class
Planet Maths 4th Class Seasonal Assessment Answers
Assessment Test 1 Hallowe’en Units 1-7
1. 50 2. 106 3. 50 4. 584 5. 2:45 6. – 7. 28 8. A 9. 267 10. 41
11. 58 12. 8
13. 12 14. 30
15. €9 16. 34
17. 169 18. – 19. 3 20. 200
Assessment Test 2 Christmas Part A Units 1-14
1. 1019 2. 56, 135, 147, 267, 314 3. 50 4. D 5. 220 6. 732 7. 48 8. 8 9. 200 10. C 11. 8 12. €2.75 13. – 14. €1.75 15. A 16. 25 17. B 18. 170 19. C 20. 109cm
Assessment Test 2 Christmas Part B Units 1-14
1. 3:15/14 past 3 2. 40 3. 4 4. €5.12 5. 4 6. 147cm 7. 259 8. 40 minutes 9. – 10. B
11. 3 boxes 12. 210, 38, 12, 34, 78, 10
10 13. 71 14. 8:45 15. €, 50c, 20c, 5c 16. 6 17. A 18. D 19. 52 20. –
Assessment Test 3 Easter Units 15-20
1. 8 2. 8kg 391g 3. D 4. Yes 5. 2 6. 6 7. D 8. Unlikely
9. 134 kg or 1kg 750g
10. Any 6 sided shape ( Hexagon) 11. D 12. D 13. 95 14. 30 15. semi-circle 16. €40 17. 225 18. 2 19. C 20. 430g
Assessment Test 4 Summer Units 1-27
1. 70 2. 43,89,156,270,367 3. 60 4. 5:05 5. 379 6. 934 7. 3 8. – 9. 46 10. 14 11. 72 12. 25 to 6 13. 600 14. vertical and horizontal
15. 34 km 16. 3
4 17. B 18. 10 19. €44 20. B 21. 13 22. 8m12cm 23. C 24. 135 25. 6 26. 5 27. €10.78 28. C 29. 3hrs 20mins 30. 707g 31. 24 32. €2.38 33. 1hr 40mins 34. 10 35. A 36. C 37. (a) 15 (b) 14 (c) 17 (d) 9 38. 14 39. B 40. 1m 99cm
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