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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 half of 30?

    30 · Doubling & halving

  2. 2. What is double 7?

    7 · Doubling & halving

  3. 3. What is half of 8?

    8 · Doubling & halving

  4. 4. What is half of 18?

    18 · Doubling & halving

  5. 5. What is half of 22?

    22 · Doubling & halving

  6. 6. What is half of 16?

    16 · Doubling & halving

  7. 7. What is half of 26?

    26 · Doubling & halving

  8. 8. What is half of 4?

    4 · Doubling & halving

  9. 9. What is half of 28?

    28 · Doubling & halving

  10. 10. What is half of 14?

    14 · Doubling & halving

  11. 11. What is double 8?

    8 · Doubling & halving

  12. 12. What is double 3?

    3 · Doubling & halving
12 questions · Seed 104732 · 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 half of 30?

    15

    Half of 30 is 30 ÷ 2 = 15.

  2. 2. What is double 7?

    14

    Double 7 is 7 + 7 = 14.

  3. 3. What is half of 8?

    4

    Half of 8 is 8 ÷ 2 = 4.

  4. 4. What is half of 18?

    9

    Half of 18 is 18 ÷ 2 = 9.

  5. 5. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  6. 6. What is half of 16?

    8

    Half of 16 is 16 ÷ 2 = 8.

  7. 7. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  8. 8. What is half of 4?

    2

    Half of 4 is 4 ÷ 2 = 2.

  9. 9. What is half of 28?

    14

    Half of 28 is 28 ÷ 2 = 14.

  10. 10. What is half of 14?

    7

    Half of 14 is 14 ÷ 2 = 7.

  11. 11. What is double 8?

    16

    Double 8 is 8 + 8 = 16.

  12. 12. What is double 3?

    6

    Double 3 is 3 + 3 = 6.

12 questions · Seed 104732 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Doubling & halving

Take your time. Show your thinking.

  1. 1. What is half of 30?

    30 · Doubling & halving

  2. 2. What is double 7?

    7 · Doubling & halving

  3. 3. What is half of 8?

    8 · Doubling & halving

  4. 4. What is half of 18?

    18 · Doubling & halving

  5. 5. What is half of 22?

    22 · Doubling & halving

  6. 6. What is half of 16?

    16 · Doubling & halving

  7. 7. What is half of 26?

    26 · Doubling & halving

  8. 8. What is half of 4?

    4 · Doubling & halving

  9. 9. What is half of 28?

    28 · Doubling & halving

  10. 10. What is half of 14?

    14 · Doubling & halving

  11. 11. What is double 8?

    8 · Doubling & halving

  12. 12. What is double 3?

    3 · Doubling & halving
12 questions · Seed 104732 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Doubling & halving

Answers and reasoning. Review before teaching.

  1. 1. What is half of 30?

    15

    Half of 30 is 30 ÷ 2 = 15.

  2. 2. What is double 7?

    14

    Double 7 is 7 + 7 = 14.

  3. 3. What is half of 8?

    4

    Half of 8 is 8 ÷ 2 = 4.

  4. 4. What is half of 18?

    9

    Half of 18 is 18 ÷ 2 = 9.

  5. 5. What is half of 22?

    11

    Half of 22 is 22 ÷ 2 = 11.

  6. 6. What is half of 16?

    8

    Half of 16 is 16 ÷ 2 = 8.

  7. 7. What is half of 26?

    13

    Half of 26 is 26 ÷ 2 = 13.

  8. 8. What is half of 4?

    2

    Half of 4 is 4 ÷ 2 = 2.

  9. 9. What is half of 28?

    14

    Half of 28 is 28 ÷ 2 = 14.

  10. 10. What is half of 14?

    7

    Half of 14 is 14 ÷ 2 = 7.

  11. 11. What is double 8?

    16

    Double 8 is 8 + 8 = 16.

  12. 12. What is double 3?

    6

    Double 3 is 3 + 3 = 6.

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