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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 10 + 7.

    10 · 7 · Addition fluency

  2. 2. Calculate 6 + 9.

    6 · 9 · Addition fluency

  3. 3. Calculate 6 + 10.

    6 · 10 · Addition fluency

  4. 4. Calculate 7 + 10.

    7 · 10 · Addition fluency

  5. 5. Calculate 7 + 2.

    7 · 2 · Addition fluency

  6. 6. Calculate 5 + 1.

    5 · 1 · Addition fluency

  7. 7. Calculate 2 + 1.

    2 · 1 · Addition fluency

  8. 8. Calculate 3 + 2.

    3 · 2 · Addition fluency

  9. 9. Calculate 9 + 3.

    9 · 3 · Addition fluency

  10. 10. Calculate 1 + 5.

    1 · 5 · Addition fluency

  11. 11. Calculate 4 + 14.

    4 · 14 · Addition fluency

  12. 12. Calculate 2 + 6.

    2 · 6 · Addition fluency
12 questions · Seed 49 · 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 10 + 7.

    17

    Count on or partition to add 10 and 7: 10 + 7 = 17.

  2. 2. Calculate 6 + 9.

    15

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

  3. 3. Calculate 6 + 10.

    16

    Count on or partition to add 6 and 10: 6 + 10 = 16.

  4. 4. Calculate 7 + 10.

    17

    Count on or partition to add 7 and 10: 7 + 10 = 17.

  5. 5. Calculate 7 + 2.

    9

    Count on or partition to add 7 and 2: 7 + 2 = 9.

  6. 6. Calculate 5 + 1.

    6

    Count on or partition to add 5 and 1: 5 + 1 = 6.

  7. 7. Calculate 2 + 1.

    3

    Count on or partition to add 2 and 1: 2 + 1 = 3.

  8. 8. Calculate 3 + 2.

    5

    Count on or partition to add 3 and 2: 3 + 2 = 5.

  9. 9. Calculate 9 + 3.

    12

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

  10. 10. Calculate 1 + 5.

    6

    Count on or partition to add 1 and 5: 1 + 5 = 6.

  11. 11. Calculate 4 + 14.

    18

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

  12. 12. Calculate 2 + 6.

    8

    Count on or partition to add 2 and 6: 2 + 6 = 8.

12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 10 + 7.

    10 · 7 · Addition fluency

  2. 2. Calculate 6 + 9.

    6 · 9 · Addition fluency

  3. 3. Calculate 6 + 10.

    6 · 10 · Addition fluency

  4. 4. Calculate 7 + 10.

    7 · 10 · Addition fluency

  5. 5. Calculate 7 + 2.

    7 · 2 · Addition fluency

  6. 6. Calculate 5 + 1.

    5 · 1 · Addition fluency

  7. 7. Calculate 2 + 1.

    2 · 1 · Addition fluency

  8. 8. Calculate 3 + 2.

    3 · 2 · Addition fluency

  9. 9. Calculate 9 + 3.

    9 · 3 · Addition fluency

  10. 10. Calculate 1 + 5.

    1 · 5 · Addition fluency

  11. 11. Calculate 4 + 14.

    4 · 14 · Addition fluency

  12. 12. Calculate 2 + 6.

    2 · 6 · Addition fluency
12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 10 + 7.

    17

    Count on or partition to add 10 and 7: 10 + 7 = 17.

  2. 2. Calculate 6 + 9.

    15

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

  3. 3. Calculate 6 + 10.

    16

    Count on or partition to add 6 and 10: 6 + 10 = 16.

  4. 4. Calculate 7 + 10.

    17

    Count on or partition to add 7 and 10: 7 + 10 = 17.

  5. 5. Calculate 7 + 2.

    9

    Count on or partition to add 7 and 2: 7 + 2 = 9.

  6. 6. Calculate 5 + 1.

    6

    Count on or partition to add 5 and 1: 5 + 1 = 6.

  7. 7. Calculate 2 + 1.

    3

    Count on or partition to add 2 and 1: 2 + 1 = 3.

  8. 8. Calculate 3 + 2.

    5

    Count on or partition to add 3 and 2: 3 + 2 = 5.

  9. 9. Calculate 9 + 3.

    12

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

  10. 10. Calculate 1 + 5.

    6

    Count on or partition to add 1 and 5: 1 + 5 = 6.

  11. 11. Calculate 4 + 14.

    18

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

  12. 12. Calculate 2 + 6.

    8

    Count on or partition to add 2 and 6: 2 + 6 = 8.

12 questions · Seed 49 · Age guidance, not curriculum certification