Multiplying, dividing and mixed operations · Ages 8–9

Brackets worksheet

Part of: Order of operations and brackets

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Multiplying, dividing and mixed operations · Ages 8–9

Numsprite
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Name:Date:Score:／48

Write each answer in the space. For word problems, show your working and write a sentence answer.

1.136 + (95 − 15) =
Answer:
2.177 − (12 + 28) =
Answer:
3.170 + (57 − 11) =
Answer:
4.181 − (55 + 59) =
Answer:
5.2 × (54 − 3) =
Answer:
6.(28 + 9) × 9 =
Answer:
7.(23 + 6) × 6 =
Answer:
8.594 − (402 + 109) = 594 − =
Fill in each blank
Answer:
9.613 − (203 + 189) = 613 − =
Fill in each blank
Answer:

13.Chi-keung has $65. Chi-keung buys a $16 eraser and a $7 storybook. How much does Chi-keung have left?
Working:
Answer:
14.Each fruit basket has 9 red apples and 4 green apples. How many apples are in 8 baskets?
Working:
Answer:
15.20 boys and 28 girls are split equally into 4 groups. How many children are in each group?
Working:
Answer:
16.A box of chocolates was $20, and now each box is $5 cheaper. Tsz-ching's mum buys 4 boxes. How much does she pay?
Working:
Answer:
17.21 boys and 27 girls are split equally into 3 groups. How many children are in each group?
Working:
Answer:
18.Each fruit basket has 4 red apples and 3 green apples. How many apples are in 3 baskets?
Working:
Answer:

Show the answers and working

Brackets worksheet: Answers and working

1. 216
With brackets, work out what's inside first: 95 − 15.
Brackets first: 95 − 15 = 80, then 136 + 80 = 216.
2. 137
With brackets, work out what's inside first: 12 + 28.
Brackets first: 12 + 28 = 40, then 177 − 40 = 137.
3. 216
With brackets, work out what's inside first: 57 − 11.
Brackets first: 57 − 11 = 46, then 170 + 46 = 216.
4. 67
With brackets, work out what's inside first: 55 + 59.
Brackets first: 55 + 59 = 114, then 181 − 114 = 67.
5. 102
Work out the brackets first, 54 − 3, then multiply by 2.
Brackets first: 54 − 3 = 51, then 2 × 51 = 102.
6. 333
Work out the brackets first, 28 + 9, then multiply by 9.
Brackets first: 28 + 9 = 37, then 37 × 9 = 333.
7. 174
Work out the brackets first, 23 + 6, then multiply by 6.
Brackets first: 23 + 6 = 29, then 29 × 6 = 174.
8. 511, 83
The first box is the brackets, 402 + 109; the second takes that away from 594.
In the brackets 402 + 109 = 511; 594 − 511 = 83.
9. 392, 221
The first box is the brackets, 203 + 189; the second takes that away from 613.
In the brackets 203 + 189 = 392; 613 − 392 = 221.

10. False
Work out the brackets, 37 + 22, take that from 142, then compare with 127.
Brackets first, 37 + 22, then take that from 142: 83.
11. A. 80
Work out the brackets first, 31 − 12, then take that answer away from 99.
Brackets first: 31 − 12 = 19, then 99 − 19 = 80.
12. D. 59
Work out the brackets first, 53 − 17, then take that answer away from 95.
Brackets first: 53 − 17 = 36, then 95 − 36 = 59.

Marking: 2 for the working, 1 for the answer, 1 for the sentence.

13. 42 dollars
How much do the two things cost together? You can add them first and take that away, or take each away in turn.
65 − (16 + 7) = 65 − 16 − 7 = 42.
14. 104 apples
Work out one basket first: 9 red plus 4 green. Then think about 8 baskets.
Each basket has (9 + 4): (9 + 4) × 8 = 104.
15. 12 children
First find how many children there are: 20 boys plus 28 girls. Then split them into 4 groups.
Find how many in all, then share: (20 + 28) ÷ 4 = 12.
16. 60 dollars
First find the new price of one box: $20 less $5. Then multiply by 4 boxes.
Each box is $20 − $5: (20 − 5) × 4 = 60.
17. 16 children
First find how many children there are: 21 boys plus 27 girls. Then split them into 3 groups.
Find how many in all, then share: (21 + 27) ÷ 3 = 16.
18. 21 apples
Work out one basket first: 4 red plus 3 green. Then think about 3 baskets.
Each basket has (4 + 3): (4 + 3) × 3 = 21.

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