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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 15?

    15 · Doubling & halving

  2. 2. What is half of 6?

    6 · Doubling & halving

  3. 3. What is half of 30?

    30 · Doubling & halving

  4. 4. What is half of 10?

    10 · Doubling & halving

  5. 5. What is double 6?

    6 · Doubling & halving

  6. 6. What is half of 28?

    28 · Doubling & halving

  7. 7. What is half of 22?

    22 · Doubling & halving

  8. 8. What is half of 26?

    26 · Doubling & halving

  9. 9. What is double 5?

    5 · Doubling & halving

  10. 10. What is double 4?

    4 · Doubling & halving

  11. 11. What is double 11?

    11 · Doubling & halving

  12. 12. What is double 3?

    3 · Doubling & halving
12 questions · Seed 61 · 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 15?

    30

    Double 15 is 15 + 15 = 30.

  2. 2. What is half of 6?

    3

    Half of 6 is 6 ÷ 2 = 3.

  3. 3. What is half of 30?

    15

    Half of 30 is 30 ÷ 2 = 15.

  4. 4. What is half of 10?

    5

    Half of 10 is 10 ÷ 2 = 5.

  5. 5. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  6. 6. What is half of 28?

    14

    Half of 28 is 28 ÷ 2 = 14.

  7. 7. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  8. 8. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  9. 9. What is double 5?

    10

    Double 5 is 5 + 5 = 10.

  10. 10. What is double 4?

    8

    Double 4 is 4 + 4 = 8.

  11. 11. What is double 11?

    22

    Double 11 is 11 + 11 = 22.

  12. 12. What is double 3?

    6

    Double 3 is 3 + 3 = 6.

12 questions · Seed 61 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Doubling & halving

Take your time. Show your thinking.

  1. 1. What is double 15?

    15 · Doubling & halving

  2. 2. What is half of 6?

    6 · Doubling & halving

  3. 3. What is half of 30?

    30 · Doubling & halving

  4. 4. What is half of 10?

    10 · Doubling & halving

  5. 5. What is double 6?

    6 · Doubling & halving

  6. 6. What is half of 28?

    28 · Doubling & halving

  7. 7. What is half of 22?

    22 · Doubling & halving

  8. 8. What is half of 26?

    26 · Doubling & halving

  9. 9. What is double 5?

    5 · Doubling & halving

  10. 10. What is double 4?

    4 · Doubling & halving

  11. 11. What is double 11?

    11 · Doubling & halving

  12. 12. What is double 3?

    3 · Doubling & halving
12 questions · Seed 61 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Doubling & halving

Answers and reasoning. Review before teaching.

  1. 1. What is double 15?

    30

    Double 15 is 15 + 15 = 30.

  2. 2. What is half of 6?

    3

    Half of 6 is 6 ÷ 2 = 3.

  3. 3. What is half of 30?

    15

    Half of 30 is 30 ÷ 2 = 15.

  4. 4. What is half of 10?

    5

    Half of 10 is 10 ÷ 2 = 5.

  5. 5. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  6. 6. What is half of 28?

    14

    Half of 28 is 28 ÷ 2 = 14.

  7. 7. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  8. 8. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  9. 9. What is double 5?

    10

    Double 5 is 5 + 5 = 10.

  10. 10. What is double 4?

    8

    Double 4 is 4 + 4 = 8.

  11. 11. What is double 11?

    22

    Double 11 is 11 + 11 = 22.

  12. 12. What is double 3?

    6

    Double 3 is 3 + 3 = 6.

12 questions · Seed 61 · Age guidance, not curriculum certification