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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 16?

    16 · Doubling & halving

  2. 2. What is double 9?

    9 · Doubling & halving

  3. 3. What is half of 6?

    6 · Doubling & halving

  4. 4. What is double 13?

    13 · Doubling & halving

  5. 5. What is half of 4?

    4 · Doubling & halving

  6. 6. What is double 8?

    8 · Doubling & halving

  7. 7. What is double 6?

    6 · Doubling & halving

  8. 8. What is half of 8?

    8 · Doubling & halving

  9. 9. What is double 4?

    4 · Doubling & halving

  10. 10. What is half of 30?

    30 · Doubling & halving

  11. 11. What is double 10?

    10 · Doubling & halving

  12. 12. What is double 15?

    15 · Doubling & halving
12 questions · Seed 52 · 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 16?

    8

    Half of 16 is 16 ÷ 2 = 8.

  2. 2. What is double 9?

    18

    Double 9 is 9 + 9 = 18.

  3. 3. What is half of 6?

    3

    Half of 6 is 6 ÷ 2 = 3.

  4. 4. What is double 13?

    26

    Double 13 is 13 + 13 = 26.

  5. 5. What is half of 4?

    2

    Half of 4 is 4 ÷ 2 = 2.

  6. 6. What is double 8?

    16

    Double 8 is 8 + 8 = 16.

  7. 7. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  8. 8. What is half of 8?

    4

    Half of 8 is 8 ÷ 2 = 4.

  9. 9. What is double 4?

    8

    Double 4 is 4 + 4 = 8.

  10. 10. What is half of 30?

    15

    Half of 30 is 30 ÷ 2 = 15.

  11. 11. What is double 10?

    20

    Double 10 is 10 + 10 = 20.

  12. 12. What is double 15?

    30

    Double 15 is 15 + 15 = 30.

12 questions · Seed 52 · 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 16?

    16 · Doubling & halving

  2. 2. What is double 9?

    9 · Doubling & halving

  3. 3. What is half of 6?

    6 · Doubling & halving

  4. 4. What is double 13?

    13 · Doubling & halving

  5. 5. What is half of 4?

    4 · Doubling & halving

  6. 6. What is double 8?

    8 · Doubling & halving

  7. 7. What is double 6?

    6 · Doubling & halving

  8. 8. What is half of 8?

    8 · Doubling & halving

  9. 9. What is double 4?

    4 · Doubling & halving

  10. 10. What is half of 30?

    30 · Doubling & halving

  11. 11. What is double 10?

    10 · Doubling & halving

  12. 12. What is double 15?

    15 · Doubling & halving
12 questions · Seed 52 · 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 16?

    8

    Half of 16 is 16 ÷ 2 = 8.

  2. 2. What is double 9?

    18

    Double 9 is 9 + 9 = 18.

  3. 3. What is half of 6?

    3

    Half of 6 is 6 ÷ 2 = 3.

  4. 4. What is double 13?

    26

    Double 13 is 13 + 13 = 26.

  5. 5. What is half of 4?

    2

    Half of 4 is 4 ÷ 2 = 2.

  6. 6. What is double 8?

    16

    Double 8 is 8 + 8 = 16.

  7. 7. What is double 6?

    12

    Double 6 is 6 + 6 = 12.

  8. 8. What is half of 8?

    4

    Half of 8 is 8 ÷ 2 = 4.

  9. 9. What is double 4?

    8

    Double 4 is 4 + 4 = 8.

  10. 10. What is half of 30?

    15

    Half of 30 is 30 ÷ 2 = 15.

  11. 11. What is double 10?

    20

    Double 10 is 10 + 10 = 20.

  12. 12. What is double 15?

    30

    Double 15 is 15 + 15 = 30.

12 questions · Seed 52 · Age guidance, not curriculum certification