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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 9 + 4.

    9 · 4 · Addition fluency

  2. 2. Calculate 8 + 1.

    8 · 1 · Addition fluency

  3. 3. Calculate 2 + 17.

    2 · 17 · Addition fluency

  4. 4. Calculate 8 + 5.

    8 · 5 · Addition fluency

  5. 5. Calculate 2 + 18.

    2 · 18 · Addition fluency

  6. 6. Calculate 7 + 12.

    7 · 12 · Addition fluency

  7. 7. Calculate 4 + 7.

    4 · 7 · Addition fluency

  8. 8. Calculate 8 + 7.

    8 · 7 · Addition fluency

  9. 9. Calculate 4 + 1.

    4 · 1 · Addition fluency

  10. 10. Calculate 5 + 4.

    5 · 4 · Addition fluency

  11. 11. Calculate 8 + 6.

    8 · 6 · Addition fluency

  12. 12. Calculate 3 + 5.

    3 · 5 · Addition fluency
12 questions · Seed 51 · 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 9 + 4.

    13

    Count on or partition to add 9 and 4: 9 + 4 = 13.

  2. 2. Calculate 8 + 1.

    9

    Count on or partition to add 8 and 1: 8 + 1 = 9.

  3. 3. Calculate 2 + 17.

    19

    Count on or partition to add 2 and 17: 2 + 17 = 19.

  4. 4. Calculate 8 + 5.

    13

    Count on or partition to add 8 and 5: 8 + 5 = 13.

  5. 5. Calculate 2 + 18.

    20

    Count on or partition to add 2 and 18: 2 + 18 = 20.

  6. 6. Calculate 7 + 12.

    19

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

  7. 7. Calculate 4 + 7.

    11

    Count on or partition to add 4 and 7: 4 + 7 = 11.

  8. 8. Calculate 8 + 7.

    15

    Count on or partition to add 8 and 7: 8 + 7 = 15.

  9. 9. Calculate 4 + 1.

    5

    Count on or partition to add 4 and 1: 4 + 1 = 5.

  10. 10. Calculate 5 + 4.

    9

    Count on or partition to add 5 and 4: 5 + 4 = 9.

  11. 11. Calculate 8 + 6.

    14

    Count on or partition to add 8 and 6: 8 + 6 = 14.

  12. 12. Calculate 3 + 5.

    8

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

12 questions · Seed 51 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 9 + 4.

    9 · 4 · Addition fluency

  2. 2. Calculate 8 + 1.

    8 · 1 · Addition fluency

  3. 3. Calculate 2 + 17.

    2 · 17 · Addition fluency

  4. 4. Calculate 8 + 5.

    8 · 5 · Addition fluency

  5. 5. Calculate 2 + 18.

    2 · 18 · Addition fluency

  6. 6. Calculate 7 + 12.

    7 · 12 · Addition fluency

  7. 7. Calculate 4 + 7.

    4 · 7 · Addition fluency

  8. 8. Calculate 8 + 7.

    8 · 7 · Addition fluency

  9. 9. Calculate 4 + 1.

    4 · 1 · Addition fluency

  10. 10. Calculate 5 + 4.

    5 · 4 · Addition fluency

  11. 11. Calculate 8 + 6.

    8 · 6 · Addition fluency

  12. 12. Calculate 3 + 5.

    3 · 5 · Addition fluency
12 questions · Seed 51 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 9 + 4.

    13

    Count on or partition to add 9 and 4: 9 + 4 = 13.

  2. 2. Calculate 8 + 1.

    9

    Count on or partition to add 8 and 1: 8 + 1 = 9.

  3. 3. Calculate 2 + 17.

    19

    Count on or partition to add 2 and 17: 2 + 17 = 19.

  4. 4. Calculate 8 + 5.

    13

    Count on or partition to add 8 and 5: 8 + 5 = 13.

  5. 5. Calculate 2 + 18.

    20

    Count on or partition to add 2 and 18: 2 + 18 = 20.

  6. 6. Calculate 7 + 12.

    19

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

  7. 7. Calculate 4 + 7.

    11

    Count on or partition to add 4 and 7: 4 + 7 = 11.

  8. 8. Calculate 8 + 7.

    15

    Count on or partition to add 8 and 7: 8 + 7 = 15.

  9. 9. Calculate 4 + 1.

    5

    Count on or partition to add 4 and 1: 4 + 1 = 5.

  10. 10. Calculate 5 + 4.

    9

    Count on or partition to add 5 and 4: 5 + 4 = 9.

  11. 11. Calculate 8 + 6.

    14

    Count on or partition to add 8 and 6: 8 + 6 = 14.

  12. 12. Calculate 3 + 5.

    8

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

12 questions · Seed 51 · Age guidance, not curriculum certification