Small practice. Bright discoveries.Explore the free starter collection

worksheetstudio.

Back to worksheets

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.

New variation Try interactive challenge Browse templates

Age band:Ages 4-6 Ages 7-9

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 7-9

Doubling & halving

Take your time. Show your thinking.

1. What is half of 82?
82 · Doubling & halving
2. What is half of 12?
12 · Doubling & halving
3. What is half of 36?
36 · Doubling & halving
4. What is double 37?
37 · Doubling & halving
5. What is half of 86?
86 · Doubling & halving
6. What is half of 84?
84 · Doubling & halving
7. What is double 42?
42 · Doubling & halving
8. What is half of 64?
64 · Doubling & halving
9. What is double 45?
45 · Doubling & halving
10. What is double 15?
15 · Doubling & halving
11. What is half of 22?
22 · Doubling & halving
12. What is half of 34?
34 · Doubling & halving

12 questions · Seed 104740 · 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 82?
41
Half of 82 is 82 ÷ 2 = 41.
2. What is half of 12?
6
Half of 12 is 12 ÷ 2 = 6.
3. What is half of 36?
18
Half of 36 is 36 ÷ 2 = 18.
4. What is double 37?
74
Double 37 is 37 + 37 = 74.
5. What is half of 86?
43
Half of 86 is 86 ÷ 2 = 43.
6. What is half of 84?
42
Half of 84 is 84 ÷ 2 = 42.
7. What is double 42?
84
Double 42 is 42 + 42 = 84.
8. What is half of 64?
32
Half of 64 is 64 ÷ 2 = 32.
9. What is double 45?
90
Double 45 is 45 + 45 = 90.
10. What is double 15?
30
Double 15 is 15 + 15 = 30.
11. What is half of 22?
11
Half of 22 is 22 ÷ 2 = 11.
12. What is half of 34?
17
Half of 34 is 34 ÷ 2 = 17.

12 questions · Seed 104740 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 7-9

Doubling & halving

Take your time. Show your thinking.

1. What is half of 82?
82 · Doubling & halving
2. What is half of 12?
12 · Doubling & halving
3. What is half of 36?
36 · Doubling & halving
4. What is double 37?
37 · Doubling & halving
5. What is half of 86?
86 · Doubling & halving
6. What is half of 84?
84 · Doubling & halving
7. What is double 42?
42 · Doubling & halving
8. What is half of 64?
64 · Doubling & halving
9. What is double 45?
45 · Doubling & halving
10. What is double 15?
15 · Doubling & halving
11. What is half of 22?
22 · Doubling & halving
12. What is half of 34?
34 · Doubling & halving

12 questions · Seed 104740 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 7-9

Doubling & halving

Answers and reasoning. Review before teaching.

1. What is half of 82?
41
Half of 82 is 82 ÷ 2 = 41.
2. What is half of 12?
6
Half of 12 is 12 ÷ 2 = 6.
3. What is half of 36?
18
Half of 36 is 36 ÷ 2 = 18.
4. What is double 37?
74
Double 37 is 37 + 37 = 74.
5. What is half of 86?
43
Half of 86 is 86 ÷ 2 = 43.
6. What is half of 84?
42
Half of 84 is 84 ÷ 2 = 42.
7. What is double 42?
84
Double 42 is 42 + 42 = 84.
8. What is half of 64?
32
Half of 64 is 64 ÷ 2 = 32.
9. What is double 45?
90
Double 45 is 45 + 45 = 90.
10. What is double 15?
30
Double 15 is 15 + 15 = 30.
11. What is half of 22?
11
Half of 22 is 22 ÷ 2 = 11.
12. What is half of 34?
17
Half of 34 is 34 ÷ 2 = 17.

12 questions · Seed 104740 · Age guidance, not curriculum certification