a complete numeracy programme for...

163Planet Maths Teacher Resources • 3rd Class

Let’s Look Back Page 5B.

1. 1 6 58 4 03 2 7

2. 1 8 610 5 04 2 9

3. 2 2 56 3 01 4 4

C. 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) 12 past one

(c) 14 past 5 (d) 14 to 4

(e) 14 to 8 2. Teacher CheckB.

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. 49C.

Teacher Check 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 unitE. 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


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 0

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. 2,001, 222, 202, 200 9. 107, 91, 41, 19B. 1. 1 hundred, 5 tens and 6 units 2. 3 hundreds, 4 tens and 5 units 3. 6 hundreds, 7 tens and 2 units 4. 2 hundreds, 5 tens and 1 unit 5. 9 hundreds, 0 tens and 6 units 6. 5 hundreds, 2 tens and 4 units 7. 8 hundreds, 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


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


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 52 6 107 8 3

2. 10 5 63 7 118 9 4

3. 10 12 20 8 16

14 4 6

4. 3 10 58 6 47 2 9

5. 4 11 69 7 58 3 10

6. 1 6 58 4 03 2 7


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

A COMPLETE NUMERACY PROGRAMME FOR PRIMARY SCHOOLS3rd Class Textbook Answers

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


A. 1. 439 2. 423 3. 783 4. 709 5. 532 6. 511 7. 716 8. 910 9. 800 10. 557 11. (a) 415 (b) 472 12. 489 13. 738 14. 596B. 1. 735 2. 680 3. 502 4. 439 5. 751 6. 945 7. 874

Topic: Addition Page 16A. 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. 575E. Teacher Check


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. 380E. Teacher Check

Topic: Time 1 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


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 5B. Teacher CheckC. 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 1 0

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


A. 1. 2 o’clock 2. afternoon

3. At the zoo 4. 3 12 hours 5. 2:15 6. 3 hours 7. Teacher Check 8. €33B. 1. 11:45 2. 50 minutes 3. 3:10C. 1. 12 minutes 2. 6 minutes 3. Sarah, 1 minute and 30 seconds


B.

1. (a) 25 past 8 (b) 14 to 6

(c) 25 to 3 (d) 20 past 7 2. Teacher Check 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 6:30D. 1. hours 2. 15 3. minutes 4. digital 5. minute 6. hour 7. seconds

Topic: Lines & Angles Page 23

C. 1, 5, 6, 8D. Teacher Check


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


A. 1. Greater than 2. Less than 3. Right angle 4. Less thanB. 1. (a) 3 (b) 4 (c) 0 (d) 7 (2 of which are reflex) (e) 10 (f) 4 2. rectangle, arrow and square/diamond 3. (a) 6 angles 0 right angles (b) 4 angles 4 right angles (c) 4 angles 4 right angles (d) 0 angles 0 right anglesD. Teacher Check


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 Pages 28 and 29

1. 6 2. 38 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. 1

4 to 4 14. 436 15. 214

Mental Maths 1 Pages 30 and 31

A. 1. 18 2. 60 3. 50c, 20c, 10c 4. 5:00 5. 12c 6. 1

2 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. Green, upD. 1. 18 2. 6:20 3. 50c 4. Parallel 5. 3 6. b 7. 831 8. 10 9. Cube 10. 100

Topic: Subtraction 2

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. 28 8. 37 9. 26 10. 10 11. 44B. 1. 40 2. 28 3. 56 4. 13 5. 4 6. Chocolate bars as there are less left 7. 50cC. 1. 109 2. 219 3. 71 4. 503 5. 174 6. 209 7. 177 8. 99 9. 72 10. 307 11. 23 12. 289


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 – 0Challenge Yourself! 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


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. Puppy Pets, €14.59 2. Giant art set 3. €1.60 4. 2 for €20 5. €7.98 6. – 7. (a) 60 (b) – 8. €5.41Challenge Yourself! 1. 1, 2, 4, 5 or 6 2. 17 3. –


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


A. b and c B. 1, 2, 4, 6, 7, 9, 10C.

0, 14, 12, 34, 1 unit


A.

1. (a) 28 or 14 (b) 38

(c) 48 or 12 (d) 18 (e) 78

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


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 34 (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. 58Challenge Yourself!14 or 28


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. 3

8 3. 12 or 24

4. 14 5. 3

8D. 1. Fraction 2. Two 3. Quarter 4. HalvesE. 1. Sarah ate the plain pizza 2. John ate the sausage pizza 3. Jamie ate the pepperoni pizza 4. Lynn ate the mushroom pizza

Topic: Graphs 2

B. 1. PE 2. Maths 3. 5

4. – 5. – 6. 12 7. PE, Music and Art

Topic: Graphs Page 43

A. 1. - 2. Scuttles and bananas 3. 5 4. 30 5. – 6. – 7. –Challenge Yourself! 1. Selling price: 50c, 60c, 45c, 40c,

65c, 45c, 30c 2. €9 or €2 profit 3. €9.15 or €2.30 profit


B. 2. (a) Kreatures (b) 34 children (c) 7 (d) 2 (e) – 3. 17 4. €27


A. 1. Cat – 5 Dog – 10 Goldfish – 6 Horse – 1 Guinea Pig – 5 Rabbit – 3


B. 2. 60C. 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, 30, 35, 40, 45, 50, 55 4. 3, 4, 5, 7, 8, 9, 10, 11

C. 1. 2+2+2+2+2+2 = 12 or 6 × 2 =12 2. 5 × 2 = 10 3. 10 × 2 = 20 4. 7 × 2 = 14 5. 2 × 2 = 4 6. 8 7. 18 8. 0 9. 16


A. 1. 6 × 5 = 30 2. 2 × 5 =10 3. 5 × 3 = 15 4. 35 5. 10 6. 50 7. 15 8. 45 9. 5 10. 10 11. 40 12. 15B. 1. 30 2. 8 3. 50C. 1. 2, 2, 5, 5 2. 2, 3, 4, 5


A. 1. 10, 20, 40, 50, 60, 80, 100 2. 6 × 10 = 60 3. 8 × 10 = 80 4. 10 5. 40 6. 100 7. 0 8. 3 × 10 9. 70 10. 40B. Three 10c stamps and five 5c stamps 3 10c stamps – 3 × 10 = 30c 5 5c stamps – 5 × 5 = 25c


A. 1. 50c 2. 2c × 5 = 10c 3. 5c × 6 = 30c 4. 10c × 2 = 20c, 2c × 1 = 2c,

5 × 3 = 15c (37c) 5. 10c × 3 = 30c, 5c × 4 = 20c,

2c × 2 = 4 (54c) 6. 10c × 4 = 40c, 2c × 4 = 8c (48c)B. 1. 10 2. 10 3. 60 4. Carol – 9 points 5. Dad – 5 × 10 =50 points


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 × 2 = 8 3. 6 × 5 = 30 4. 3 × 10 = 30 5. 5 × 2 = 10C. 1. €12 2. (a) €25 (b) €8 3. Second-hand – Save €10D. 1. True 2. False 3. TrueE. (a) 10 (b) 28

Fright Night Pages 52 and 53

1. 31st October 2. 48 3. 30

4. 0 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. 3

4 15. 2


A. 1. €1, 50c, 10c 2. 3 3. €1 4. 80 5. Cube 6. 200 7. 3 o’clock 8. 60c 9. circle 10. 30B. 1. 50 2. 5 3. 7 4. 2 5. – 6. 60 7. 1

4 8. > 9. 8 10. 700C. 1. 2 2. 4 3. 10 4. 25 to 11 or 10:35 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 1 Page 56B. 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 1 Page 57A. 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 1 Page 58A. 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 Yourself!2 each


Topic: Division 1 9A. 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,

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 1 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: five groups of four Basket 2: six groups of five Basket 3: five groups of ten

Topic: Decimals Page 61

B. 1. (a)

210 (b)

110 (c)

310 (d) 4

10

(e) 510

C.

Top: 12, 1 unit, 112 , 13

4

Bottom: 310, 4

10, 510, 6

10, 710, 9

10, 1210, 14

10, 1510,

1610,

1810,

1910


A. 1. (a) 0.4 (b) 0.6 (c) 0.3 (d) 0.7 (e) 0.2 2. – 3. – 4. (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, 7

10, 810

Bottom line: 0.1, 0.3, 0.4, 0.6, 0.8, 0.9


A. 1. False 2. True 3. True 4. False 5. True 6. False 7. True 8. False

B.

1. (a) 1.2 (b) 2.5 (c) 3.7 (d) 4.1

(e) 6.3 (f) 5.9

2. (a) 1 510 or 11

2

(b) 1 910 (c) 2 6

10

(d) 8 410 (e) 5 7

10

(f) 3 110 (g) 4 7

10

(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 >


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) 13.6B Teacher CheckC 1. (a) Radio (b) Price (c) Car (d) Petrol (e) Thermometer (f) Fair ground height restriction 2. 37.9 c 3. 90 kmph, kilometres per hour 4. 119.9 c per litre of diesel 5. Unleaded 6. 0.75 = 75cm or 0.75m


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 Swittles – 20c, 10c, 5c comic – 50c, 20c, 2c 2 apples – 20c, 5c, 2c, 1c 4 sweets – 20c


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, 2c 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, 1c 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. –


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


A. 1. €2 2. €1.60 3. 30c 4. €1.30 5. €1B. 1. €15 each 2. –


3. Caoimhe’s share could be €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


B. 1. (a) 64c (b) €1.72 (c) €2.61 2. (a) 50c, 5c, 1c (b) €1, 20c, 20c, 5c, 2c, 1c (c) €2, €1, 50c, 10c, 5c, 2c (d) €2, €2, 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. Cents 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


A. 1. 33 2. 58 3. 59 4. 12 5. 42B. 1. 655 2. 334 3. 867 4. 39 5. 211

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


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 6 55 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 4 1 2 6 51 5 4 3 2 62 6 3 5 4 1

B.Name Age BalloonBeth 5 blue Sue 6 greenPeter 7 yellowAdam 8 red


A. 1. blue, red, purple, red, blue 2. purple, purple, green, green, purple 3. white, pink, white, purple, 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 Pages 76 and 77

1. €10 2. 8 3. €16, €12 4. 0.2 metres 5. 0.2 metres

6. 810 7. 2

10 8. 12 9. 4 10. 283 11. 194 12. 26 13. €1


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. 269

C. 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


B. (a) False (b) True (c) True (d) False (e) False (f) False (g) True (h) True


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. 3m 83cm 3. 4m 13cm 4. 5m 89cm 5. 6m 68cm 6. 6m 18cm 7. 9m 12cm 8. 9m 10cmD. 1. 1m 12cm 2. 2m 09cm 3. 1m 89cm 4. 2m 88cm 5. 3m 78cm 6. 73cm 7. 39cm 8. 49cm 9. 1m 65cm


A. 1. 92cm 2. 107cm 3. 500cm or 5m 4. 16 5. 13cm 6. 10B. 1. 7m 20cm 2. 6m 40cm 3. Entrance to monkey to lion to polar

bear to penguin is 18m 45cm 4. Monkeys to entrance to toilets to

elephants to shop is 13m 20cm 5. Monkeys to entrance to panda to

giraffe to shop to elephant is 19m 15cm

6. – 7. (a) Monkey, lion, polar bear, penguin,

elephant, panda and giraffe (b) 31m 45cm


Topic: Length Page 84 B. 1. (a) 5cm (b) 3cm (c) 6cm 2. (a) 1m 40cm (b) 2m 15cm (c) 1m 96cm (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: Wheelbarrow David: Football pitch

Topic: Multiplication 2 Page 85 B. 8, 12, 16, 20, 24, 28, 32, 36, 40C. 16, 20, 24, 28, 32, 36D. 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 × 4 = 32 2. (a) 4 + 4 + 4= 12 (b) 3 × 4 = 12 3. (a) 4 + 4 + 4 + 4 + 4 + 4 = 24 (b) 6 × 4 = 24 4. (a) 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 36 (b) 9 × 4 = 36B. 1. 2 × 4 =8 2. 9 × 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 87A. 1. 16, 24, 32, 40 2. 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 3. Every second square from 2B. 1. (a) 8 + 8 + 8 + 8 + 8 + 8 = 48 (b) 6 × 8 = 48 2. (a) 8 + 8 + 8 + 8 + 8 + 8+ 8 + 8+ 8 = 72 (b) 9 × 8 = 72 3. (a) 8 + 8 + 8 = 24 (b) 3 × 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. 72

B.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, 40 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. 10C. 1. 5 2. 10D. 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. 4 2. 5C. 1. (b) 2 2. (a) 12 ÷ 4 = 3 (b) 32 ÷ 4 = 8 (c) 16 ÷ 4 = 4 (d) 28 ÷ 4 = 7 (e) 24 ÷ 4 = 6D. 1. – 2. 12 ÷ 3 = 4 3. 20 ÷ 4 = 5 4. 16 ÷ 4 = 4

Topic: Division 2 Page 91 A. 1. 6 2. 10 3. 2 4. 6B. 5 C. 1. 2 2. 4 3. 3 4. 10D. 1. 9 2. 7 3. 4 4. 8 5. 7 6. 2 7. 6 8. 10 9. 10 10. 4 11. 1 12. 6

Topic: Division 2 Page 92 A. 1. 9 2. 9 3. 4Challenge Yourself! 1. 9 2. 10

Topic: Division 2 Page 93 A. 7 is the mystery numberB. On the board: A. 619 B. 3 C. 444

D. divide 1. 28 2. 619 and 3 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 Yourself!325


B. 1. (a) 24 ÷ 4 = 6 (b) 56 ÷ 4 = 14 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. Each child gets 3 trees.

Topic: Chance Page 95

B. 2. (a) certain (b) possible (c) certain (d) possible (e) impossible (f) possible (g) possible (h) impossible (i) certain


A. 1. Likely 2. Unlikely 3. Unlikely 4. Unlikely 5. Likely 6. Likely 7. Unlikely 8. UnlikelyB. 1. Likely 2. Unlikely


A. 1. (a) Unlikely (b) Certain (c) Likely (d) Impossible (e) Unlikely (f) Likely (g) Certain (h) Impossible


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


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 two blue ribbons will be pulled out.

D. 1. Impossible 2. – 3. Unlikely

Marvin the Great! Pages 100 and 101

1. Unlikely 2. Impossible 3. Impossible 4. Likely 5. Certain 6. 36cm 7. 1m 80cm 8. 3 9. 32 10. cups/hat/balls

11. 14 12. €58

13. sphere


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. Half past 4 or 12 past 4 5. 25, 20 6. ÷ 7. Possible 8. 200 9. 11

8 10. greaterC. 1. Impossible 2. 5:30 3. 60c 4. 2 5. 3rd and 4th grids 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


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. (a) 3 (b) 2 (c) 4

Topic: Fractions 2 Page 106A. 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. 6C. Puzzle: 12

Topic: Fractions 2 Page 107A. 1. 12 2. 20 3. 24 4. 16 5. 50B. 1. (a) 9 (b) 14 (c) 18 (d) 36 2. green car 3. –


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 piece of pizza 2 buns 3 cherry tomatoes 1

2 a carton of juiceD. Share, equally, group, divideE. 12


B. 1. 18 2. 90 3. 27 4. 9 5. 60 6. 27

Topic: Multiplication 3 Page 110A. 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 × 5 = 20 2. 5 × 6 = 30 3. 6 × 7 = 42 4. 9 × 2 = 18 5. 2 × 2 = 4 6. 6 × 2= 12D. 1. 24 2. 27 3. 36 4. 15 5. 18 6. 24 7. 45 8. 12

Topic: Multiplication 3 Page 111A. 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 112A. 1. 42 2. 4, 60 3. 5, 5, 65 4. 10 × 5, 4 × 5, 70 5. 10 × 2, 8 × 2, 36 6. 10 × 4, 4 × 4, 56B. 1. 75 2. 52 3. 54 4. 76 5. 48 6. 26


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. 814 kg or 8kg 250g

5. 5kg, 112 kg, 61

2 kg, 312 kg

B. 1. (a) 700g (b) 657g (c) 616g (d) 463g (e) 692g 2. (a) 639g (b) 524g (c) 311g (d) 387g (e) 626g 3. 577g 4. 112g, 210g



A. 1. (a) 322g (b) 491g (c) 322g (d) 287g (e) 689g 2. 165g 3. 1,220gB. 1. (a) 6kg 140g (b) 5kg 600g (c) 4kg 930g (d) 1kg 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. 240g


B. 1. (a) 70kg (b) 90kg (c) 80kg 2. The second trip 3. The first trip 4. The first trip 5. The second trip 6. 240kg 7. €240 8. The raft would topple or sink 9. 6


1. (a) 997g (b) 947g (c) 874g (d) 1,421g 2. (a) 6kg 013g (b) 7kg 470g (c) 3kg 142g (d) 3kg 774g 3. (a) 150g (b) 80gC. 1. 1kg 700g 2. SameD. 1. grams 2. kilograms 3. estimating 4. heavierE. 1kg 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


A. Any six-sided shapeB. 1. Circles, triangles, rectangles, ovals,

hexagons

Topic: 2D Shapes Page 121A. 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 122A. 1. a, d, gB. 1. No. Some shapes overlap. 2. Irregular

Topic: 2D Shapes Page 123B. 1. Circle, hexagon, triangle, ovalC. Bird and a mouse. They are both

animals.D. 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. –


A. 1. 4 2. 850g 3. hexagon 4. 4 5. 10 to 2 or 1:50 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. More than 12 6. 10 7. a 8. 2 9. 4 10. 4

Topic: Number Patterns and Sequences Page 128

B. 1. Square, triangle, circle 2. 3. yellow, green, red, orange 4. 5. red, blue, purple 6. Repeat 2nd, 3rd, 4th pic.C. 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, 6,810, 7,911 7. HSMAT, SMATH, MATHS 8. lcoo, cool, oolc, olco


B. 1. (a) 66, 77, 88, 99 (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) 44, 33, 22, 11 (c) 15, 18, 21, 24 (d) 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


A. 1. 6 2. 11 3. 14 4. 11 5. 8 6. 18 7. 34 8. 27B. 1. 36 2. 17 3. 26 4. 55 5. 21 6. 42


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, 12, 8, 4, 7, 6, 11 The magic number is 24


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 = 76 4. 2 × 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


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, 7, 8


B. 1. a, c, f, h, j, k, l 2. 4


A. 1. 4 2. Infinite 3. 6 4. 1 5. 1 6. 2 7. 2 8. 2E. 1. A, B, C, D, E, H, I, K, M, O, T, U, V,

W, X, Y. 2. The digits 3, 8, 1, 0


B. 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. 49 3. 15 4. 64D. 35


A.

1. 13 2. 13 3. 712 4. 7

5. 1 6. 8


B. 1. 16 2. 20 3. 24 4. 10 5. 21 6. 16


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


2. (a) 8 (b) 8 (c) 9 (d) 2 (e) 8C. 16E.


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 = 8D. 1. 24 ÷ 3 = 8 2. 28 ÷ 4 = 7 3. 15 ÷ 5 = 3 4. 18 ÷ 3 = 6

Topic: Division 3 Page 144A. 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. 10 7. 16C. 4 insects and 3 spiders


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 146A. 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 147B. 1. 7 2. 9 3. 9 4. 6 5. 7 6. 6 7. 9 8. 3 9. 7r1 10. 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

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. yellow, blue, white, red, green 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, 3,000


A. 1. 92 2. False 3. 3 4. vertical 5. 3 r 1 6. 13 7. c 8. 28 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. 4

5 4. 18 5. 85 6. €1.97 7. 3014 8. sphere 9. €1.80 10. 10


B. 1. (a) cylinder (b) cone (c) cone (d) cube (e) cuboid (f) sphere (g) sphere (h) cuboid (i) cylinder 2. (a) 2 cylinders 2 spheres 1 cubeC. Cylinder, cuboid, cube, sphere, cone


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


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


Does it slide? yes


no


Shape cylinder

Does it roll? yes


Does it slide? yes


yes


Shape pyramid

Does it roll? no

Can you stack it? no

Does it slide? yes


no


Shape triangular prism

Does it roll? no


Does it slide? yes


no


B. 1. cuboid 2. pyramid 3. cube 4. cone 5. triangular prism 6. cylinder


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

Sphere 1

Triangular prism 5

Pyramid 5

Shape Number of vertices

Cube 8

Cuboid 8

Cylinder 0

Cone 1

Sphere 0

Triangular prism 6

Pyramid 5

Shape Number of edges

Cube 12

Cuboid 12

Cylinder 2

Cone 1

Sphere 0

Triangular prism 9

Pyramid 8


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, washing-up liquidD. 1. (a) 250m¬ (b) 1,000m¬ or 1¬ (c) 500m¬ (d) 750m¬



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.


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¬ 150m¬ 3. 8¬ 790m¬ 4. 7¬ 700m¬ 5. 8¬ 462m¬ 6. 5¬ 875m¬


A. 1. 2¬ 245m¬ 2. 2¬ 190m¬ 3. 2¬ 150m¬ 4. 5¬ 363m¬ 5. 15¬ 797m¬ 6. 2¬ 091m¬ 7. 4¬ 308m¬B.

1. 60¬ 2. 55¬ 3. 112¬ or 1¬ 500m¬

4. 114¬ or 1¬ 250m¬ 5. 660m¬

6. 11C. 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


B. 1. 1 litres 2. 250m¬ 3. 500m¬ 4. 750m¬C. 1. 10 2. 1¬ 284m¬

3. 12 litre bottle

D. (a) Capacity (b) Container (c) Millilitres (d) MeasureE. Red: 1 Blue: 3 Yellow: 4


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


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. 1 hour 10 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 hours 25 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


A. 1. 24 2. 31 3. 4 4. Tuesday 5. Sunday 6. Wednesday 7. 3 8. 4 hours 9. 12:30 10. 3Challenge Yourself! 1. Monday 2. Tuesday

Topic: Time 2 Page 165A. 1. News Today, 15 minutes 2. Film: Zog’s World, 1 hour 20 minutes 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


B. 1. am 2. 165mins 3. pm 4. 1hr 25mins 5. pm 6. 2hrs 25mins 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. 971 4. 457 5. 85 6. 476 7. 173 8. 59 9. 64 10. 42 11. 6 12. 3B. 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 past two (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 40mins (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, triangle – 4,

hexagon – 6, square – 16


Revision Page 169

A. 1. 96 2. 75 3. 288 4. 444

5. 9 r 2 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


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. 1,060gC. 1. 30 minutes 2. ADW 3. 400m¬ 4. €2.40 5. 6 6. 339

7. 114 ¬ or 1,250m¬ 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

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