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MathsAges 4-6

Addition fluency

Add two whole numbers with confidence and verify the total by counting on or partitioning. 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

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 1 + 15.

    1 · 15 · Addition fluency

  2. 2. Calculate 3 + 6.

    3 · 6 · Addition fluency

  3. 3. Calculate 7 + 12.

    7 · 12 · Addition fluency

  4. 4. Calculate 6 + 3.

    6 · 3 · Addition fluency

  5. 5. Calculate 9 + 11.

    9 · 11 · Addition fluency

  6. 6. Calculate 5 + 3.

    5 · 3 · Addition fluency

  7. 7. Calculate 4 + 6.

    4 · 6 · Addition fluency

  8. 8. Calculate 2 + 2.

    2 · 2 · Addition fluency

  9. 9. Calculate 10 + 5.

    10 · 5 · Addition fluency

  10. 10. Calculate 8 + 8.

    8 · 8 · Addition fluency

  11. 11. Calculate 4 + 14.

    4 · 14 · Addition fluency

  12. 12. Calculate 1 + 19.

    1 · 19 · Addition fluency
12 questions · Seed 48 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 4-6

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 1 + 15.

    16

    Count on or partition to add 1 and 15: 1 + 15 = 16.

  2. 2. Calculate 3 + 6.

    9

    Count on or partition to add 3 and 6: 3 + 6 = 9.

  3. 3. Calculate 7 + 12.

    19

    Count on or partition to add 7 and 12: 7 + 12 = 19.

  4. 4. Calculate 6 + 3.

    9

    Count on or partition to add 6 and 3: 6 + 3 = 9.

  5. 5. Calculate 9 + 11.

    20

    Count on or partition to add 9 and 11: 9 + 11 = 20.

  6. 6. Calculate 5 + 3.

    8

    Count on or partition to add 5 and 3: 5 + 3 = 8.

  7. 7. Calculate 4 + 6.

    10

    Count on or partition to add 4 and 6: 4 + 6 = 10.

  8. 8. Calculate 2 + 2.

    4

    Count on or partition to add 2 and 2: 2 + 2 = 4.

  9. 9. Calculate 10 + 5.

    15

    Count on or partition to add 10 and 5: 10 + 5 = 15.

  10. 10. Calculate 8 + 8.

    16

    Count on or partition to add 8 and 8: 8 + 8 = 16.

  11. 11. Calculate 4 + 14.

    18

    Count on or partition to add 4 and 14: 4 + 14 = 18.

  12. 12. Calculate 1 + 19.

    20

    Count on or partition to add 1 and 19: 1 + 19 = 20.

12 questions · Seed 48 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 1 + 15.

    1 · 15 · Addition fluency

  2. 2. Calculate 3 + 6.

    3 · 6 · Addition fluency

  3. 3. Calculate 7 + 12.

    7 · 12 · Addition fluency

  4. 4. Calculate 6 + 3.

    6 · 3 · Addition fluency

  5. 5. Calculate 9 + 11.

    9 · 11 · Addition fluency

  6. 6. Calculate 5 + 3.

    5 · 3 · Addition fluency

  7. 7. Calculate 4 + 6.

    4 · 6 · Addition fluency

  8. 8. Calculate 2 + 2.

    2 · 2 · Addition fluency

  9. 9. Calculate 10 + 5.

    10 · 5 · Addition fluency

  10. 10. Calculate 8 + 8.

    8 · 8 · Addition fluency

  11. 11. Calculate 4 + 14.

    4 · 14 · Addition fluency

  12. 12. Calculate 1 + 19.

    1 · 19 · Addition fluency
12 questions · Seed 48 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 1 + 15.

    16

    Count on or partition to add 1 and 15: 1 + 15 = 16.

  2. 2. Calculate 3 + 6.

    9

    Count on or partition to add 3 and 6: 3 + 6 = 9.

  3. 3. Calculate 7 + 12.

    19

    Count on or partition to add 7 and 12: 7 + 12 = 19.

  4. 4. Calculate 6 + 3.

    9

    Count on or partition to add 6 and 3: 6 + 3 = 9.

  5. 5. Calculate 9 + 11.

    20

    Count on or partition to add 9 and 11: 9 + 11 = 20.

  6. 6. Calculate 5 + 3.

    8

    Count on or partition to add 5 and 3: 5 + 3 = 8.

  7. 7. Calculate 4 + 6.

    10

    Count on or partition to add 4 and 6: 4 + 6 = 10.

  8. 8. Calculate 2 + 2.

    4

    Count on or partition to add 2 and 2: 2 + 2 = 4.

  9. 9. Calculate 10 + 5.

    15

    Count on or partition to add 10 and 5: 10 + 5 = 15.

  10. 10. Calculate 8 + 8.

    16

    Count on or partition to add 8 and 8: 8 + 8 = 16.

  11. 11. Calculate 4 + 14.

    18

    Count on or partition to add 4 and 14: 4 + 14 = 18.

  12. 12. Calculate 1 + 19.

    20

    Count on or partition to add 1 and 19: 1 + 19 = 20.

12 questions · Seed 48 · Age guidance, not curriculum certification