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MathsAges 4-6

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 4-6

Doubling & halving

Take your time. Show your thinking.

  1. 1. What is double 10?

    10 · Doubling & halving

  2. 2. What is double 15?

    15 · Doubling & halving

  3. 3. What is half of 22?

    22 · Doubling & halving

  4. 4. What is half of 24?

    24 · Doubling & halving

  5. 5. What is half of 4?

    4 · Doubling & halving

  6. 6. What is double 9?

    9 · Doubling & halving

  7. 7. What is half of 28?

    28 · Doubling & halving

  8. 8. What is half of 26?

    26 · Doubling & halving

  9. 9. What is double 12?

    12 · Doubling & halving

  10. 10. What is double 3?

    3 · Doubling & halving

  11. 11. What is double 14?

    14 · Doubling & halving

  12. 12. What is double 6?

    6 · Doubling & halving
12 questions · Seed 104730 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 4-6

Doubling & halving

Answers and reasoning. Review before teaching.

  1. 1. What is double 10?

    20

    Double 10 is 10 + 10 = 20.

  2. 2. What is double 15?

    30

    Double 15 is 15 + 15 = 30.

  3. 3. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  4. 4. What is half of 24?

    12

    Half of 24 is 24 ÷ 2 = 12.

  5. 5. What is half of 4?

    2

    Half of 4 is 4 ÷ 2 = 2.

  6. 6. What is double 9?

    18

    Double 9 is 9 + 9 = 18.

  7. 7. What is half of 28?

    14

    Half of 28 is 28 ÷ 2 = 14.

  8. 8. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  9. 9. What is double 12?

    24

    Double 12 is 12 + 12 = 24.

  10. 10. What is double 3?

    6

    Double 3 is 3 + 3 = 6.

  11. 11. What is double 14?

    28

    Double 14 is 14 + 14 = 28.

  12. 12. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

12 questions · Seed 104730 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Doubling & halving

Take your time. Show your thinking.

  1. 1. What is double 10?

    10 · Doubling & halving

  2. 2. What is double 15?

    15 · Doubling & halving

  3. 3. What is half of 22?

    22 · Doubling & halving

  4. 4. What is half of 24?

    24 · Doubling & halving

  5. 5. What is half of 4?

    4 · Doubling & halving

  6. 6. What is double 9?

    9 · Doubling & halving

  7. 7. What is half of 28?

    28 · Doubling & halving

  8. 8. What is half of 26?

    26 · Doubling & halving

  9. 9. What is double 12?

    12 · Doubling & halving

  10. 10. What is double 3?

    3 · Doubling & halving

  11. 11. What is double 14?

    14 · Doubling & halving

  12. 12. What is double 6?

    6 · Doubling & halving
12 questions · Seed 104730 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Doubling & halving

Answers and reasoning. Review before teaching.

  1. 1. What is double 10?

    20

    Double 10 is 10 + 10 = 20.

  2. 2. What is double 15?

    30

    Double 15 is 15 + 15 = 30.

  3. 3. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  4. 4. What is half of 24?

    12

    Half of 24 is 24 ÷ 2 = 12.

  5. 5. What is half of 4?

    2

    Half of 4 is 4 ÷ 2 = 2.

  6. 6. What is double 9?

    18

    Double 9 is 9 + 9 = 18.

  7. 7. What is half of 28?

    14

    Half of 28 is 28 ÷ 2 = 14.

  8. 8. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  9. 9. What is double 12?

    24

    Double 12 is 12 + 12 = 24.

  10. 10. What is double 3?

    6

    Double 3 is 3 + 3 = 6.

  11. 11. What is double 14?

    28

    Double 14 is 14 + 14 = 28.

  12. 12. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

12 questions · Seed 104730 · Age guidance, not curriculum certification