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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 58?

    58 · Doubling & halving

  2. 2. What is half of 72?

    72 · Doubling & halving

  3. 3. What is half of 76?

    76 · Doubling & halving

  4. 4. What is double 29?

    29 · Doubling & halving

  5. 5. What is half of 62?

    62 · Doubling & halving

  6. 6. What is half of 94?

    94 · Doubling & halving

  7. 7. What is double 31?

    31 · Doubling & halving

  8. 8. What is double 9?

    9 · Doubling & halving

  9. 9. What is double 6?

    6 · Doubling & halving

  10. 10. What is half of 22?

    22 · Doubling & halving

  11. 11. What is half of 78?

    78 · Doubling & halving

  12. 12. What is double 14?

    14 · Doubling & halving
12 questions · Seed 104729 · 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 58?

    29

    Half of 58 is 58 ÷ 2 = 29.

  2. 2. What is half of 72?

    36

    Half of 72 is 72 ÷ 2 = 36.

  3. 3. What is half of 76?

    38

    Half of 76 is 76 ÷ 2 = 38.

  4. 4. What is double 29?

    58

    Double 29 is 29 + 29 = 58.

  5. 5. What is half of 62?

    31

    Half of 62 is 62 ÷ 2 = 31.

  6. 6. What is half of 94?

    47

    Half of 94 is 94 ÷ 2 = 47.

  7. 7. What is double 31?

    62

    Double 31 is 31 + 31 = 62.

  8. 8. What is double 9?

    18

    Double 9 is 9 + 9 = 18.

  9. 9. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  10. 10. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  11. 11. What is half of 78?

    39

    Half of 78 is 78 ÷ 2 = 39.

  12. 12. What is double 14?

    28

    Double 14 is 14 + 14 = 28.

12 questions · Seed 104729 · 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 58?

    58 · Doubling & halving

  2. 2. What is half of 72?

    72 · Doubling & halving

  3. 3. What is half of 76?

    76 · Doubling & halving

  4. 4. What is double 29?

    29 · Doubling & halving

  5. 5. What is half of 62?

    62 · Doubling & halving

  6. 6. What is half of 94?

    94 · Doubling & halving

  7. 7. What is double 31?

    31 · Doubling & halving

  8. 8. What is double 9?

    9 · Doubling & halving

  9. 9. What is double 6?

    6 · Doubling & halving

  10. 10. What is half of 22?

    22 · Doubling & halving

  11. 11. What is half of 78?

    78 · Doubling & halving

  12. 12. What is double 14?

    14 · Doubling & halving
12 questions · Seed 104729 · 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 58?

    29

    Half of 58 is 58 ÷ 2 = 29.

  2. 2. What is half of 72?

    36

    Half of 72 is 72 ÷ 2 = 36.

  3. 3. What is half of 76?

    38

    Half of 76 is 76 ÷ 2 = 38.

  4. 4. What is double 29?

    58

    Double 29 is 29 + 29 = 58.

  5. 5. What is half of 62?

    31

    Half of 62 is 62 ÷ 2 = 31.

  6. 6. What is half of 94?

    47

    Half of 94 is 94 ÷ 2 = 47.

  7. 7. What is double 31?

    62

    Double 31 is 31 + 31 = 62.

  8. 8. What is double 9?

    18

    Double 9 is 9 + 9 = 18.

  9. 9. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  10. 10. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  11. 11. What is half of 78?

    39

    Half of 78 is 78 ÷ 2 = 39.

  12. 12. What is double 14?

    28

    Double 14 is 14 + 14 = 28.

12 questions · Seed 104729 · Age guidance, not curriculum certification