mental addi on and subtrac on · 2020. 11. 22. · 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...
TRANSCRIPT
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
515253545556575859606162636465667668697071727347757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
9910
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Y5/6 Aut Week 11 Day 1© Hamilton Trust
Mental addi on and subtrac on
34,278
199
6700
320
120
401
42,000
76,472
402
499
20,000
70,400
2999
4200
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
515253545556575859606162636465667668697071727347757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
9910
01 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 1 E© Hamilton Trust
Multiplying three-digit numbers by two-digit numbers
1. 24 x 123
2. 52 x 223
3. 23 x 434
4. 24 x 535
5. 34 x 353
6. 39 x 522
7. 45 x 254
8. 44 x 324
Now make up two of your own.
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
515253545556575859606162636465667668697071727347757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
9910
01 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 1 H© Hamilton Trust
Multiplying three-digit numbers by two-digit numbers
1. 24 x 423
2. 56 x 423
3. 23 x 478
4. 34 x 535
5. 27 x 653
6. 38 x 586
7. 46 x 754
8. 64 x 387
Now make up two of your own.
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
515253545556575859606162636465667668697071727347757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
9910
01 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 2© Hamilton Trust
Mental division
Division
Example 68 ÷ 8
1. 30 ÷ 4
2. 19 ÷ 4
3. 33 ÷ 6
4. 42 ÷ 8
5. 38 ÷ 8
6. 78 ÷ 10
7. 46 ÷ 5
8. 33 ÷ 5
Answer with remainder
8 r 4
Answer with fraction
8 ½
Answer as a decimal
8.5
Answer as money
£8.50
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3132
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4142
4344
4546
4748
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515253545556575859606162636465666768697071727374757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
99100
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 306
Y5/6 Aut Week 11 Day 3© Hamilton Trust
Find the costRa
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Ste
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Art Pencils Monster Paint Set
Find the cost of:
• seven boxes of pencils;• four books;• three DVDs;• fi ve CDs;• six paint sets.
Find the cost of three of each of these items.
Mrs Mer ens wants to buy the same present for each of her six grandchildren.
Her budget is £10 per child.
She could buy each child two items.
Work out what she could buy, and how much each op on would cost.
£4.75
£8.65£2.15
£6.29 £7.99
£8.76
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
515253545556575859606162636465666768697071727374757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
99100
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 306
Y5/6 Aut Week 11 Day 4© Hamilton Trust
Adding four-digit numbers
1. 7543 + 3251 2. 8238 + 2793
3. 7378 + 4284 4. 8328 + 4127
5. 6753 + 3842 6. 8726 + 3784
7. 9278 + 3746 8. 8657 + 5846
Write two addi ons with totals over 10,000. All digits in each addi on must be diff erent!
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
5152535455565758596061626364656676686970717273
4775767778798081
8283
8485
8687
8889
9091
9293
9495
9697
9899
100
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 4 H© Hamilton Trust
Mental and written calculations
Choose how to solve as many of these calculations as you can.
1. 21 x 400 2. 6 x 378
3. 1264 ÷ 4 4. 34,783 - 19,998
5. 4 x 231 6. 288 ÷ 12
7. 17 x 635 8. 11.6 - 7.95
9. 76,846 + 34,763 10. 3789 + 6311
11. 875 ÷ 11 12. 78,432 - 5723
13. 6457 ÷ 5 14. 23.12 - 19.85
15. 40,000 - 11 16. 56,000 ÷ 8
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
5152535455565758596061626364656676686970717273
4775767778798081
8283
8485
8687
8889
9091
9293
9495
9697
9899
100
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 4 E© Hamilton Trust
Mental and written calculations
Choose how to solve as many of these calculations as you can.
1. 11 x 400 2. 6 x 335
3. 464 ÷ 4 4. 34,783 - 198
5. 4 x 211 6. 555 ÷ 5
7. 16 x 435 8. 11.6 - 7.9
9. 76,846 + 32,713 10. 3750 + 6350
11. 875 ÷ 3 12. 7432 - 5723
13. 457 ÷ 5 14. 23.12 - 19.99
15. 3000 - 5 16. 2500 ÷ 5
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
515253545556575859606162636465667668697071727347757677787980
8182
8384
8586
8788
8990
9192
9394
9596
9798
9910
01 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 5© Hamilton Trust
A table to show the numbers of hits on a website
Day of the week am pm
Sunday 36,432 57,478
Monday 19,758 24,642
Tuesday 21,427 32,846
Wednesday 16,375 25,342
Thursday 18,631 26,492
Friday 17,563 42,869
Saturday 33,642 58,567
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3132
3334
3536
3738
3940
4142
4344
4546
4748
4950
5152535455565758596061626364656676686970717273
4775767778798081
8283
8485
8687
8889
9091
9293
9495
9697
9899
100
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 5 E© Hamilton Trust
1. A book sold by an interne t company cost £6.75. They charge £2.95 packing and postage perdelivery. How much would it cost for three books to be delivered to the same address?
2. Sue is working out how many 600mm cupboards she can fit across her kitchen wallwhich is 2.5 m long. The cupboards cost £40 each and the work surface £20 per metre.What will be the total cost?
3. The local library is selling off some older copies of books. Sam wants to buy fivepaperbacks for 75p each and four hardbacks for £1.50 each.He has £10; does he have enough to buy all nine books?
4. Year 6 are going camping. There are 58 children and 9 staff. They will be staying infour-person tents. The staff do not want to share with the children.How many tents will be needed?
Stephanie is working out how much wallpaper to buy. The wall she wants to paper is 2.4m tall and 4m wide. The wallpaper is 50cm wide and comes in rolls of 10m in length. How many strips will she be able to get from one roll? How many rolls does she need to buy?
Word problems Work with a partner to decide what calculations are necessary to solve the following word problems, using brackets if necessary.
5.
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3132
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3738
3940
4142
4344
4546
4748
4950
5152535455565758596061626364656676686970717273
4775767778798081
8283
8485
8687
8889
9091
9293
9495
9697
9899
100
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 036
Y5/6 Aut Week 11 Day 5 H© Hamilton Trust
1. A book usually costing £6.50 and another costing £5.80 have been reduced by 10%by an internet company. They charge £2.95 packing and postage per delivery.How much would it cost for both books to be delivered to the same address?
2. Sue is working out how many 600mm cupboards she can fit across her kitchen wallwhich is 2.6 m long. The cupboards cost £40 each and the work surface £20 per metre.What will be the total cost?
3. The local library is selling off some older copies of books. Sam wants to buy fivepaperbacks for 75p each and four hardbacks for £1.50 each. He has £10; does hehave enough to buy all nine books? Then he sees a bargain book for 50p.Can he afford that too?
4. Year 6 are going camping. There are 58 children (29 boys, the rest of the childrenare girls) and 9 staff. They will be staying in four-person tents. The staff does notwant to share with the children and there are no tents containing girls and boys.How many tents will be needed?
Stephanie is working out how much wallpaper to buy. The wall she wants to paper is 2.4m tall and 4m wide. The wallpaper is 50cm wide and comes in rolls of 10m in length. She’s been
advised to add on 10% to her measurement of the height to account for cutting. If she does this, how many strips will she be able to get from one roll? How many rolls does she need to buy?
Word problemsWork with a partner to decide what calculations are necessary to solve the following word problems, usin g brackets if necessary.
5.
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© Hamilton Trust Year 5/6 Autumn Maths Answers
Maths Answers Autumn Year 5/6
Week 11:
Mental addition and subtraction
34,278 + 120 = 34,398 34,278 + 6700 = 40,978 120 + 6700 = 6820 34,278 + 76,472 = 110,750 120 + 76,472 = 76,592 34,278 + 4200 = 38,478 120 + 4200 = 4320 34,278 + 20,000 = 54,278 120 + 20,000 = 20,120 34,278 + 402 = 34,680 120 + 402 = 522 34,278 + 499 = 34,777 120 + 499 = 619 34,278 + 70,400 = 104,678 120 + 70,400 = 70,520 34,278 + 42,000 = 76,278 120 + 42,000 = 42,120 34,278 + 2999 = 37,277 120 + 2999 = 3119 34,278 + 320 = 34,598 120 + 320 = 440 34,278 + 401 = 34,679 120 + 401 = 521 34,278 + 199 = 34,477 120 + 199 = 319
6700 + 76,472 = 83,172 6700 + 4200 = 10,900 76,472 + 4200 = 80,672 6700 + 20,000 = 26,700 76,472 + 20,000 = 96,472 6700 + 402 = 7102 76,472 + 402 = 76,874 6700 + 499 = 7199 76,472 + 499 = 76,971 6700 + 70,400 = 77,100 76,472 + 70,400 = 146,872 6700 + 42,000 = 48,700 76,472 + 42,000 = 118,472 6700 + 2999 = 9699 76,472 + 2999 = 79,471 6700 + 320 = 7020 76,472 + 320 = 76,792 6700 + 401 = 7101 76,472 + 401 = 76,873 6700 + 199 = 6899 76,472 + 199 = 76,671
4200 + 20,000 = 24,200 4200 + 402 = 4602 20,000 + 402 = 20,402 4200 + 499 = 4699 20,000 + 499 = 20,499 4200 + 70,400 = 74,600 20,000 + 70,400 = 90,400 4200 + 42,000 = 46,200 20,000 + 42,000 = 62,000 4200 + 2999 = 7199 20,000 + 2999 = 22,999 4200 + 320 = 4520 20,000 + 320 = 20,320 4200 + 401 = 4601 20,000 + 401 = 20,401 4200 + 199 = 4399 20,000 + 199 = 20,199
402 + 499 = 901 402 + 70,400 = 70,802 499 + 70,400 = 70,899 402 + 42,000 = 42,402 499 + 42,000 = 42,499 402 + 2999 = 3401 499 + 2999 = 3498 402 + 320 = 722 499 + 320 = 819
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© Hamilton Trust Year 5/6 Autumn Maths Answers
402 + 401 = 803 499 + 401 = 900 402 + 199 = 601 499 + 199 = 698 70,400 + 42,000 = 112,400 70,400 + 2999 = 73,399 42,000 + 2999 = 44,999 70,400 + 320 = 70,720 42,000 + 320 = 42,320 70,400 + 401 = 70,801 42,000 + 401 = 42,401 70,400 + 199 = 70,599 42,000 + 199 = 42,199 2999 + 320 = 3319 2999 + 401 = 3400 320 + 401 = 721 2999 + 199 = 3198 320 + 199 = 519 401 + 199 = 600 76,472 - 70,400 = 6072 76,472 - 42,000 = 34,472 70,400 - 42,000 = 28,400 76,472 - 34,278 = 42,194 70,400 - 34,278 = 36,122 76,472 - 20,000 = 56,472 70,400 - 20,000 = 50,400 76,472 - 6700 = 69,772 70,400 - 6700 = 63,700 76,472 - 4200 = 72,272 70,400 - 4200 = 66,200 76,472 - 2999 = 73,473 70,400 - 2999 = 67,401 76,472 - 499 = 75,973 70,400 - 499 = 69,901 76,472 - 402 = 76,070 70,400 - 402 = 69,998 76,472 - 401 = 76,071 70,400 - 401 = 69,999 76,472 - 320 = 76,152 70,400 - 320 = 70,080 76,472 - 199 = 76,273 70,400 - 199 = 70,201 76,472 - 120 = 76,352 70,400 - 120 = 70,280 42,000 - 34,278 = 7722 42,000 - 20,000 = 22,000 34,278 - 20,000 = 14,278 42,000 - 6700 = 35,300 34,278 - 6700 = 27,578 42,000 - 4200 = 37,800 34,278 - 4200 = 30,078 42,000 - 2999 = 39,001 34,278 - 2999 = 31,279 42,000 - 499 = 41,501 34,278 - 499 = 33,779 42,000 - 402 = 41,598 34,278 - 402 = 33,876 42,000 - 401 = 41,599 34,278 - 401 = 33,877 42,000 - 320 = 41,680 34,278 - 320 = 33,958 42,000 - 199 = 41,801 34,278 - 199 = 34,079 42,000 - 120 = 41,880 34,278 - 120 = 34,158 20,000 - 6700 = 13,300 20,000 - 4200 = 15,800 6700 - 4200 = 2500 20,000 - 2999 = 17,001 6700 - 2999 = 3701 20,000 - 499 = 19,501 6700 - 499 = 6201 20,000 - 402 = 19,598 6700 - 402 = 6298 20,000 - 401 = 19,599 6700 - 401 = 6299 20,000 - 320 = 19,680 6700 - 320 = 6380
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© Hamilton Trust Year 5/6 Autumn Maths Answers
20,000 - 199 = 19,801 6700 - 199 = 6501 20,000 - 120 = 19,880 6700 - 120 = 6580
4200 - 2999 = 1201 4200 - 499 = 3701 2999 - 499 = 2500 4200 - 402 = 3798 2999 - 402 = 2597 4200 - 401 = 3799 2999 - 401 = 2598 4200 - 320 = 3880 2999 - 320 = 2679 4200 - 199 = 4001 2999 - 199 = 2800 4200 - 120 = 4080 2999 - 120 = 2879
499 - 402 = 97 499 - 401 = 98 402 - 401 = 1 499 - 320 = 179 402 - 320 = 82 499 - 199 = 300 402 - 199 = 203 499 - 120 = 379 402 - 120 = 282
401 - 320 = 81 401 - 199 = 202 320 - 199 = 221 401 - 120 = 281 320 - 120 = 200
199 - 120 = 79
Multiplying three digit numbers by two digit numbers (E)
1. 24 x 123 = 29522. 52 x 223 = 11,5963. 23 x 434 = 99824. 24 x 535 = 12,8405. 34 x 353 = 12,0026. 39 x 522 = 20,3587. 45 x 254 = 11,4308. 44 x 324 = 14,256
Multiplying three digit numbers by two digit numbers (H)
1. 24 x 423 = 10,1522. 56 x 423 = 23,6883. 23 x 478 = 10,9944. 34 x 535 = 18,1905. 27 x 653 = 17,6316. 38 x 586 = 22,2687. 46 x 754 = 34,6848. 64 x 387 = 24,768
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© Hamilton Trust Year 5/6 Autumn Maths Answers
Division Answer with remainder
Answer with fraction
Answer as a decimal
Answer as money
E.g. 68 ÷ 8 1. 30 ÷ 42. 19 ÷ 43. 33 ÷ 64. 42 ÷ 85. 38 ÷ 86. 78 ÷ 107. 46 ÷ 58. 33 ÷ 5
8 r 4 7 r 2 4 r 3 5 r 3 5 r 2 4 r 6 7 r 8 9 r 1 6 r 3
8 ½ 7½ 4¾ 5½ 5¼ 4¾ 74/5 91/5 63/5
8.5 7.5 4.75 5.5 5.25 4.75 7.8 9.2 6.6
£8.50 £7.50 £4.75 £5.50 £5.25 £4.75 £7.80 £9.20 £6.60
Find the cost
7 boxes of pencils: 7 x £2.15 = £15.05 4 books: 4 x £4.75 = £19 3 DVDs: 3 x £7.99 = £23.97 5 CDs: 5 x £6.29 = £31.45 6 painting sets: 6 x £8.65 = £51.90
Pencils 3 x £2.15 = £6.45 Paint sets 3 x £8.65 = £25.95 Books 3 x £4.75 = £14.25 Hats 3 x £8.76 = £26.28 CDs 3 x £6.29 = £18.87 DVDs 3 x £7.99 = £23.97
Pencils & books: 6 x £6.90 = £41.40 Pencils & CDs: 6 x £8.44 = £50.64 Paint sets: 6 x £8.65 = £51.90
Adding four-digit numbers
1. 7543 + 3251 = 10,794 2. 8238 + 2793 = 11,0313. 7378 + 4284 = 11,662 4. 8328 + 4127 = 12,4555. 6753 + 3842 = 10,595 6. 8726 + 3784 = 12,5107. 9278 + 3746 = 13,024 8. 8657 + 5846 = 14,503
Mental and written calculations (H)
1. 21 x 400 = 84002. 6 x 378 = 22683. 1264 ÷ 4 = 3164. 34,783 – 19,998 = 14,7855. 4 x 231 = 9246. 288 ÷ 12 = 247. 17 x 635 = 10,7958. 11.6 – 7.95 = 3.65
9. 76,846 + 34,763 = 111,60910. 3789 + 6311 = 10,10011. 875 ÷ 11 = 79 r612. 78,432 – 5723 = 72,70913. 6457 ÷ 5 = 1291 r214. 23.12 – 19.85 = 3.2715. 40,000 - 11 = 39,989
16. 56,000 ÷ 8 = 7000
Mental division
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© Hamilton Trust Year 5/6 Autumn Maths Answers
Mental and written calculations (E)
1. 11 x 400 = 44002. 6 x 335 = 20103. 464 ÷ 4 = 1164. 34,783 – 198 = 34,5855. 4 x 211 = 8446. 555 ÷ 5 = 1117. 16 x 435 = 69608. 11.6 – 7.9 = 3.79. 76,846 + 32,713 = 109,55910. 3750 + 6350 = 10,10011. 875 ÷ 3 = 291 r212. 7432 – 5723 = 170913. 457 ÷ 5 = 91 r214. 23.12 – 19.99 = 3.13
A table to show the numbers of hits on a website
Sunday 21,046 Monday 4884 Tuesday 11,419 Wednesday 8967 Thursday 7861 Friday 25,306 Saturday 24,925
Word problems (E)
1. 3 x £6.75 = £20.25 + £2.95 = £23.20 It would cost £23.20 to send 3 books to same address
2. 2500 ÷ 600 = 4 r100 It would cost Sue £210. 4 x £40 = £1602.5 x £20 = £50£160 + £50 = £210
3. 5 x £0.75 = £3.75 Sam can buy all 9 books for £9.75. 4 x £1.50 = £6.00£3.75 + £6.00 = £9.75
4. 9 ÷ 4 = 2 r1 3 tents for adults58 ÷ 4 = 14 r2 15 tents for children3 + 15 = 18 18 tents would be needed
15. 3000 - 5 = 2995
16. 2500 ÷ 5 = 500
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© Hamilton Trust Year 5/6 Autumn Maths Answers
5. 10 ÷ 2.4 = 4 r40cm They would get 4 strips from each roll. 4 ÷ 0.5 = 8 2 rolls of paper would be needed. 8 ÷ 4 = 2
Word problems (H)
1. £6.50 x 0.90 = £5.85 It would cost £14.02 to send the books £5.80 x 0.90 = £5.22 to the same address £5.85 + £5.22 + 2.95 = £14.02
2. 2600 ÷ 600 = 4 r200mm It would cost Sue £212 2.6 x 20 = £524 x 40 = £160£52 + £160 = £212
3. 5 x 0.75 = £3.75 Sam can buy all 9 books for £9.75, but he 4 x 1.50 = £6.00 can’t buy any extra 50p books total = £9.75
4. 58 – 29 = 29 They will want 19 tents, 8 for boys, 8 for girls 29 ÷ 4 = 7 r1 and 3 for staff 9 ÷ 4 = 2 r18 + 8 +3 = 19
5. 2.4 x 1.1 = 2.64 They would get 3 strips from each roll and 10 ÷ 2.64 = 3.78m 3 strips from each roll and 3 rolls would be 8 ÷ 3 = 2 r2 needed.