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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 + 6.

    1 · 6 · Addition fluency

  2. 2. Calculate 9 + 6.

    9 · 6 · Addition fluency

  3. 3. Calculate 1 + 10.

    1 · 10 · Addition fluency

  4. 4. Calculate 3 + 11.

    3 · 11 · Addition fluency

  5. 5. Calculate 3 + 9.

    3 · 9 · Addition fluency

  6. 6. Calculate 2 + 12.

    2 · 12 · Addition fluency

  7. 7. Calculate 8 + 9.

    8 · 9 · Addition fluency

  8. 8. Calculate 3 + 6.

    3 · 6 · Addition fluency

  9. 9. Calculate 9 + 7.

    9 · 7 · Addition fluency

  10. 10. Calculate 2 + 5.

    2 · 5 · Addition fluency

  11. 11. Calculate 10 + 10.

    10 · 10 · Addition fluency

  12. 12. Calculate 6 + 6.

    6 · 6 · Addition fluency
12 questions · Seed 42 · 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 + 6.

    7

    Count on or partition to add 1 and 6: 1 + 6 = 7.

  2. 2. Calculate 9 + 6.

    15

    Count on or partition to add 9 and 6: 9 + 6 = 15.

  3. 3. Calculate 1 + 10.

    11

    Count on or partition to add 1 and 10: 1 + 10 = 11.

  4. 4. Calculate 3 + 11.

    14

    Count on or partition to add 3 and 11: 3 + 11 = 14.

  5. 5. Calculate 3 + 9.

    12

    Count on or partition to add 3 and 9: 3 + 9 = 12.

  6. 6. Calculate 2 + 12.

    14

    Count on or partition to add 2 and 12: 2 + 12 = 14.

  7. 7. Calculate 8 + 9.

    17

    Count on or partition to add 8 and 9: 8 + 9 = 17.

  8. 8. Calculate 3 + 6.

    9

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

  9. 9. Calculate 9 + 7.

    16

    Count on or partition to add 9 and 7: 9 + 7 = 16.

  10. 10. Calculate 2 + 5.

    7

    Count on or partition to add 2 and 5: 2 + 5 = 7.

  11. 11. Calculate 10 + 10.

    20

    Count on or partition to add 10 and 10: 10 + 10 = 20.

  12. 12. Calculate 6 + 6.

    12

    Count on or partition to add 6 and 6: 6 + 6 = 12.

12 questions · Seed 42 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 1 + 6.

    1 · 6 · Addition fluency

  2. 2. Calculate 9 + 6.

    9 · 6 · Addition fluency

  3. 3. Calculate 1 + 10.

    1 · 10 · Addition fluency

  4. 4. Calculate 3 + 11.

    3 · 11 · Addition fluency

  5. 5. Calculate 3 + 9.

    3 · 9 · Addition fluency

  6. 6. Calculate 2 + 12.

    2 · 12 · Addition fluency

  7. 7. Calculate 8 + 9.

    8 · 9 · Addition fluency

  8. 8. Calculate 3 + 6.

    3 · 6 · Addition fluency

  9. 9. Calculate 9 + 7.

    9 · 7 · Addition fluency

  10. 10. Calculate 2 + 5.

    2 · 5 · Addition fluency

  11. 11. Calculate 10 + 10.

    10 · 10 · Addition fluency

  12. 12. Calculate 6 + 6.

    6 · 6 · Addition fluency
12 questions · Seed 42 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 1 + 6.

    7

    Count on or partition to add 1 and 6: 1 + 6 = 7.

  2. 2. Calculate 9 + 6.

    15

    Count on or partition to add 9 and 6: 9 + 6 = 15.

  3. 3. Calculate 1 + 10.

    11

    Count on or partition to add 1 and 10: 1 + 10 = 11.

  4. 4. Calculate 3 + 11.

    14

    Count on or partition to add 3 and 11: 3 + 11 = 14.

  5. 5. Calculate 3 + 9.

    12

    Count on or partition to add 3 and 9: 3 + 9 = 12.

  6. 6. Calculate 2 + 12.

    14

    Count on or partition to add 2 and 12: 2 + 12 = 14.

  7. 7. Calculate 8 + 9.

    17

    Count on or partition to add 8 and 9: 8 + 9 = 17.

  8. 8. Calculate 3 + 6.

    9

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

  9. 9. Calculate 9 + 7.

    16

    Count on or partition to add 9 and 7: 9 + 7 = 16.

  10. 10. Calculate 2 + 5.

    7

    Count on or partition to add 2 and 5: 2 + 5 = 7.

  11. 11. Calculate 10 + 10.

    20

    Count on or partition to add 10 and 10: 10 + 10 = 20.

  12. 12. Calculate 6 + 6.

    12

    Count on or partition to add 6 and 6: 6 + 6 = 12.

12 questions · Seed 42 · Age guidance, not curriculum certification