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MathsAges 7-9

Doubling & halving

Double a whole number or find half of an even number to build rapid mental arithmetic. Review suitability for your learners before teaching.

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Age band:Ages 4-6 Ages 7-9

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Worksheet StudioPractice pack · Ages 7-9

Doubling & halving

Take your time. Show your thinking.

1. What is half of 56?
56 · Doubling & halving
2. What is half of 40?
40 · Doubling & halving
3. What is half of 60?
60 · Doubling & halving
4. What is half of 50?
50 · Doubling & halving
5. What is double 30?
30 · Doubling & halving
6. What is half of 94?
94 · Doubling & halving
7. What is double 23?
23 · Doubling & halving
8. What is double 42?
42 · Doubling & halving
9. What is double 43?
43 · Doubling & halving
10. What is double 17?
17 · Doubling & halving
11. What is half of 76?
76 · Doubling & halving
12. What is half of 96?
96 · Doubling & halving

12 questions · Seed 62 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 7-9

Doubling & halving

Answers and reasoning. Review before teaching.

1. What is half of 56?
28
Half of 56 is 56 ÷ 2 = 28.
2. What is half of 40?
20
Half of 40 is 40 ÷ 2 = 20.
3. What is half of 60?
30
Half of 60 is 60 ÷ 2 = 30.
4. What is half of 50?
25
Half of 50 is 50 ÷ 2 = 25.
5. What is double 30?
60
Double 30 is 30 + 30 = 60.
6. What is half of 94?
47
Half of 94 is 94 ÷ 2 = 47.
7. What is double 23?
46
Double 23 is 23 + 23 = 46.
8. What is double 42?
84
Double 42 is 42 + 42 = 84.
9. What is double 43?
86
Double 43 is 43 + 43 = 86.
10. What is double 17?
34
Double 17 is 17 + 17 = 34.
11. What is half of 76?
38
Half of 76 is 76 ÷ 2 = 38.
12. What is half of 96?
48
Half of 96 is 96 ÷ 2 = 48.

12 questions · Seed 62 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 7-9

Doubling & halving

Take your time. Show your thinking.

1. What is half of 56?
56 · Doubling & halving
2. What is half of 40?
40 · Doubling & halving
3. What is half of 60?
60 · Doubling & halving
4. What is half of 50?
50 · Doubling & halving
5. What is double 30?
30 · Doubling & halving
6. What is half of 94?
94 · Doubling & halving
7. What is double 23?
23 · Doubling & halving
8. What is double 42?
42 · Doubling & halving
9. What is double 43?
43 · Doubling & halving
10. What is double 17?
17 · Doubling & halving
11. What is half of 76?
76 · Doubling & halving
12. What is half of 96?
96 · Doubling & halving

12 questions · Seed 62 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 7-9

Doubling & halving

Answers and reasoning. Review before teaching.

1. What is half of 56?
28
Half of 56 is 56 ÷ 2 = 28.
2. What is half of 40?
20
Half of 40 is 40 ÷ 2 = 20.
3. What is half of 60?
30
Half of 60 is 60 ÷ 2 = 30.
4. What is half of 50?
25
Half of 50 is 50 ÷ 2 = 25.
5. What is double 30?
60
Double 30 is 30 + 30 = 60.
6. What is half of 94?
47
Half of 94 is 94 ÷ 2 = 47.
7. What is double 23?
46
Double 23 is 23 + 23 = 46.
8. What is double 42?
84
Double 42 is 42 + 42 = 84.
9. What is double 43?
86
Double 43 is 43 + 43 = 86.
10. What is double 17?
34
Double 17 is 17 + 17 = 34.
11. What is half of 76?
38
Half of 76 is 76 ÷ 2 = 38.
12. What is half of 96?
48
Half of 96 is 96 ÷ 2 = 48.

12 questions · Seed 62 · Age guidance, not curriculum certification