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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 4-6Ages 7-9

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Worksheet StudioPractice pack · Ages 7-9

Doubling & halving

Take your time. Show your thinking.

  1. 1. What is half of 52?

    52 · Doubling & halving

  2. 2. What is half of 40?

    40 · Doubling & halving

  3. 3. What is double 23?

    23 · Doubling & halving

  4. 4. What is half of 94?

    94 · Doubling & halving

  5. 5. What is half of 66?

    66 · Doubling & halving

  6. 6. What is double 36?

    36 · Doubling & halving

  7. 7. What is double 14?

    14 · Doubling & halving

  8. 8. What is half of 62?

    62 · Doubling & halving

  9. 9. What is double 19?

    19 · Doubling & halving

  10. 10. What is double 26?

    26 · Doubling & halving

  11. 11. What is double 31?

    31 · Doubling & halving

  12. 12. What is double 13?

    13 · Doubling & halving
12 questions · Seed 104733 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9

Doubling & halving

Answers and reasoning. Review before teaching.

  1. 1. What is half of 52?

    26

    Half of 52 is 52 ÷ 2 = 26.

  2. 2. What is half of 40?

    20

    Half of 40 is 40 ÷ 2 = 20.

  3. 3. What is double 23?

    46

    Double 23 is 23 + 23 = 46.

  4. 4. What is half of 94?

    47

    Half of 94 is 94 ÷ 2 = 47.

  5. 5. What is half of 66?

    33

    Half of 66 is 66 ÷ 2 = 33.

  6. 6. What is double 36?

    72

    Double 36 is 36 + 36 = 72.

  7. 7. What is double 14?

    28

    Double 14 is 14 + 14 = 28.

  8. 8. What is half of 62?

    31

    Half of 62 is 62 ÷ 2 = 31.

  9. 9. What is double 19?

    38

    Double 19 is 19 + 19 = 38.

  10. 10. What is double 26?

    52

    Double 26 is 26 + 26 = 52.

  11. 11. What is double 31?

    62

    Double 31 is 31 + 31 = 62.

  12. 12. What is double 13?

    26

    Double 13 is 13 + 13 = 26.

12 questions · Seed 104733 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9

Doubling & halving

Take your time. Show your thinking.

  1. 1. What is half of 52?

    52 · Doubling & halving

  2. 2. What is half of 40?

    40 · Doubling & halving

  3. 3. What is double 23?

    23 · Doubling & halving

  4. 4. What is half of 94?

    94 · Doubling & halving

  5. 5. What is half of 66?

    66 · Doubling & halving

  6. 6. What is double 36?

    36 · Doubling & halving

  7. 7. What is double 14?

    14 · Doubling & halving

  8. 8. What is half of 62?

    62 · Doubling & halving

  9. 9. What is double 19?

    19 · Doubling & halving

  10. 10. What is double 26?

    26 · Doubling & halving

  11. 11. What is double 31?

    31 · Doubling & halving

  12. 12. What is double 13?

    13 · Doubling & halving
12 questions · Seed 104733 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9

Doubling & halving

Answers and reasoning. Review before teaching.

  1. 1. What is half of 52?

    26

    Half of 52 is 52 ÷ 2 = 26.

  2. 2. What is half of 40?

    20

    Half of 40 is 40 ÷ 2 = 20.

  3. 3. What is double 23?

    46

    Double 23 is 23 + 23 = 46.

  4. 4. What is half of 94?

    47

    Half of 94 is 94 ÷ 2 = 47.

  5. 5. What is half of 66?

    33

    Half of 66 is 66 ÷ 2 = 33.

  6. 6. What is double 36?

    72

    Double 36 is 36 + 36 = 72.

  7. 7. What is double 14?

    28

    Double 14 is 14 + 14 = 28.

  8. 8. What is half of 62?

    31

    Half of 62 is 62 ÷ 2 = 31.

  9. 9. What is double 19?

    38

    Double 19 is 19 + 19 = 38.

  10. 10. What is double 26?

    52

    Double 26 is 26 + 26 = 52.

  11. 11. What is double 31?

    62

    Double 31 is 31 + 31 = 62.

  12. 12. What is double 13?

    26

    Double 13 is 13 + 13 = 26.

12 questions · Seed 104733 · Age guidance, not curriculum certification