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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 94?

    94 · Doubling & halving

  2. 2. What is double 21?

    21 · Doubling & halving

  3. 3. What is half of 26?

    26 · Doubling & halving

  4. 4. What is half of 56?

    56 · Doubling & halving

  5. 5. What is half of 70?

    70 · Doubling & halving

  6. 6. What is half of 92?

    92 · Doubling & halving

  7. 7. What is half of 24?

    24 · Doubling & halving

  8. 8. What is half of 54?

    54 · Doubling & halving

  9. 9. What is half of 80?

    80 · Doubling & halving

  10. 10. What is half of 14?

    14 · Doubling & halving

  11. 11. What is half of 88?

    88 · Doubling & halving

  12. 12. What is half of 44?

    44 · Doubling & halving
12 questions · Seed 104732 · 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 94?

    47

    Half of 94 is 94 ÷ 2 = 47.

  2. 2. What is double 21?

    42

    Double 21 is 21 + 21 = 42.

  3. 3. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  4. 4. What is half of 56?

    28

    Half of 56 is 56 ÷ 2 = 28.

  5. 5. What is half of 70?

    35

    Half of 70 is 70 ÷ 2 = 35.

  6. 6. What is half of 92?

    46

    Half of 92 is 92 ÷ 2 = 46.

  7. 7. What is half of 24?

    12

    Half of 24 is 24 ÷ 2 = 12.

  8. 8. What is half of 54?

    27

    Half of 54 is 54 ÷ 2 = 27.

  9. 9. What is half of 80?

    40

    Half of 80 is 80 ÷ 2 = 40.

  10. 10. What is half of 14?

    7

    Half of 14 is 14 ÷ 2 = 7.

  11. 11. What is half of 88?

    44

    Half of 88 is 88 ÷ 2 = 44.

  12. 12. What is half of 44?

    22

    Half of 44 is 44 ÷ 2 = 22.

12 questions · Seed 104732 · 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 94?

    94 · Doubling & halving

  2. 2. What is double 21?

    21 · Doubling & halving

  3. 3. What is half of 26?

    26 · Doubling & halving

  4. 4. What is half of 56?

    56 · Doubling & halving

  5. 5. What is half of 70?

    70 · Doubling & halving

  6. 6. What is half of 92?

    92 · Doubling & halving

  7. 7. What is half of 24?

    24 · Doubling & halving

  8. 8. What is half of 54?

    54 · Doubling & halving

  9. 9. What is half of 80?

    80 · Doubling & halving

  10. 10. What is half of 14?

    14 · Doubling & halving

  11. 11. What is half of 88?

    88 · Doubling & halving

  12. 12. What is half of 44?

    44 · Doubling & halving
12 questions · Seed 104732 · 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 94?

    47

    Half of 94 is 94 ÷ 2 = 47.

  2. 2. What is double 21?

    42

    Double 21 is 21 + 21 = 42.

  3. 3. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  4. 4. What is half of 56?

    28

    Half of 56 is 56 ÷ 2 = 28.

  5. 5. What is half of 70?

    35

    Half of 70 is 70 ÷ 2 = 35.

  6. 6. What is half of 92?

    46

    Half of 92 is 92 ÷ 2 = 46.

  7. 7. What is half of 24?

    12

    Half of 24 is 24 ÷ 2 = 12.

  8. 8. What is half of 54?

    27

    Half of 54 is 54 ÷ 2 = 27.

  9. 9. What is half of 80?

    40

    Half of 80 is 80 ÷ 2 = 40.

  10. 10. What is half of 14?

    7

    Half of 14 is 14 ÷ 2 = 7.

  11. 11. What is half of 88?

    44

    Half of 88 is 88 ÷ 2 = 44.

  12. 12. What is half of 44?

    22

    Half of 44 is 44 ÷ 2 = 22.

12 questions · Seed 104732 · Age guidance, not curriculum certification