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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 76?

    76 · Doubling & halving

  2. 2. What is double 16?

    16 · Doubling & halving

  3. 3. What is double 27?

    27 · Doubling & halving

  4. 4. What is double 6?

    6 · Doubling & halving

  5. 5. What is half of 92?

    92 · Doubling & halving

  6. 6. What is half of 90?

    90 · Doubling & halving

  7. 7. What is half of 26?

    26 · Doubling & halving

  8. 8. What is half of 60?

    60 · Doubling & halving

  9. 9. What is double 30?

    30 · Doubling & halving

  10. 10. What is double 19?

    19 · Doubling & halving

  11. 11. What is half of 36?

    36 · Doubling & halving

  12. 12. What is half of 42?

    42 · Doubling & halving
12 questions · Seed 45 · 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 76?

    38

    Half of 76 is 76 ÷ 2 = 38.

  2. 2. What is double 16?

    32

    Double 16 is 16 + 16 = 32.

  3. 3. What is double 27?

    54

    Double 27 is 27 + 27 = 54.

  4. 4. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  5. 5. What is half of 92?

    46

    Half of 92 is 92 ÷ 2 = 46.

  6. 6. What is half of 90?

    45

    Half of 90 is 90 ÷ 2 = 45.

  7. 7. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  8. 8. What is half of 60?

    30

    Half of 60 is 60 ÷ 2 = 30.

  9. 9. What is double 30?

    60

    Double 30 is 30 + 30 = 60.

  10. 10. What is double 19?

    38

    Double 19 is 19 + 19 = 38.

  11. 11. What is half of 36?

    18

    Half of 36 is 36 ÷ 2 = 18.

  12. 12. What is half of 42?

    21

    Half of 42 is 42 ÷ 2 = 21.

12 questions · Seed 45 · 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 76?

    76 · Doubling & halving

  2. 2. What is double 16?

    16 · Doubling & halving

  3. 3. What is double 27?

    27 · Doubling & halving

  4. 4. What is double 6?

    6 · Doubling & halving

  5. 5. What is half of 92?

    92 · Doubling & halving

  6. 6. What is half of 90?

    90 · Doubling & halving

  7. 7. What is half of 26?

    26 · Doubling & halving

  8. 8. What is half of 60?

    60 · Doubling & halving

  9. 9. What is double 30?

    30 · Doubling & halving

  10. 10. What is double 19?

    19 · Doubling & halving

  11. 11. What is half of 36?

    36 · Doubling & halving

  12. 12. What is half of 42?

    42 · Doubling & halving
12 questions · Seed 45 · 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 76?

    38

    Half of 76 is 76 ÷ 2 = 38.

  2. 2. What is double 16?

    32

    Double 16 is 16 + 16 = 32.

  3. 3. What is double 27?

    54

    Double 27 is 27 + 27 = 54.

  4. 4. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  5. 5. What is half of 92?

    46

    Half of 92 is 92 ÷ 2 = 46.

  6. 6. What is half of 90?

    45

    Half of 90 is 90 ÷ 2 = 45.

  7. 7. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  8. 8. What is half of 60?

    30

    Half of 60 is 60 ÷ 2 = 30.

  9. 9. What is double 30?

    60

    Double 30 is 30 + 30 = 60.

  10. 10. What is double 19?

    38

    Double 19 is 19 + 19 = 38.

  11. 11. What is half of 36?

    18

    Half of 36 is 36 ÷ 2 = 18.

  12. 12. What is half of 42?

    21

    Half of 42 is 42 ÷ 2 = 21.

12 questions · Seed 45 · Age guidance, not curriculum certification