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MathsAges 7-9

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 7-9

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 165 + 163.

    165 · 163 · Addition fluency

  2. 2. Calculate 64 + 49.

    64 · 49 · Addition fluency

  3. 3. Calculate 45 + 98.

    45 · 98 · Addition fluency

  4. 4. Calculate 138 + 142.

    138 · 142 · Addition fluency

  5. 5. Calculate 106 + 133.

    106 · 133 · Addition fluency

  6. 6. Calculate 225 + 125.

    225 · 125 · Addition fluency

  7. 7. Calculate 59 + 37.

    59 · 37 · Addition fluency

  8. 8. Calculate 155 + 44.

    155 · 44 · Addition fluency

  9. 9. Calculate 169 + 157.

    169 · 157 · Addition fluency

  10. 10. Calculate 144 + 52.

    144 · 52 · Addition fluency

  11. 11. Calculate 218 + 200.

    218 · 200 · Addition fluency

  12. 12. Calculate 207 + 46.

    207 · 46 · Addition fluency
12 questions · Seed 43 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 165 + 163.

    328

    Count on or partition to add 165 and 163: 165 + 163 = 328.

  2. 2. Calculate 64 + 49.

    113

    Count on or partition to add 64 and 49: 64 + 49 = 113.

  3. 3. Calculate 45 + 98.

    143

    Count on or partition to add 45 and 98: 45 + 98 = 143.

  4. 4. Calculate 138 + 142.

    280

    Count on or partition to add 138 and 142: 138 + 142 = 280.

  5. 5. Calculate 106 + 133.

    239

    Count on or partition to add 106 and 133: 106 + 133 = 239.

  6. 6. Calculate 225 + 125.

    350

    Count on or partition to add 225 and 125: 225 + 125 = 350.

  7. 7. Calculate 59 + 37.

    96

    Count on or partition to add 59 and 37: 59 + 37 = 96.

  8. 8. Calculate 155 + 44.

    199

    Count on or partition to add 155 and 44: 155 + 44 = 199.

  9. 9. Calculate 169 + 157.

    326

    Count on or partition to add 169 and 157: 169 + 157 = 326.

  10. 10. Calculate 144 + 52.

    196

    Count on or partition to add 144 and 52: 144 + 52 = 196.

  11. 11. Calculate 218 + 200.

    418

    Count on or partition to add 218 and 200: 218 + 200 = 418.

  12. 12. Calculate 207 + 46.

    253

    Count on or partition to add 207 and 46: 207 + 46 = 253.

12 questions · Seed 43 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 165 + 163.

    165 · 163 · Addition fluency

  2. 2. Calculate 64 + 49.

    64 · 49 · Addition fluency

  3. 3. Calculate 45 + 98.

    45 · 98 · Addition fluency

  4. 4. Calculate 138 + 142.

    138 · 142 · Addition fluency

  5. 5. Calculate 106 + 133.

    106 · 133 · Addition fluency

  6. 6. Calculate 225 + 125.

    225 · 125 · Addition fluency

  7. 7. Calculate 59 + 37.

    59 · 37 · Addition fluency

  8. 8. Calculate 155 + 44.

    155 · 44 · Addition fluency

  9. 9. Calculate 169 + 157.

    169 · 157 · Addition fluency

  10. 10. Calculate 144 + 52.

    144 · 52 · Addition fluency

  11. 11. Calculate 218 + 200.

    218 · 200 · Addition fluency

  12. 12. Calculate 207 + 46.

    207 · 46 · Addition fluency
12 questions · Seed 43 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 165 + 163.

    328

    Count on or partition to add 165 and 163: 165 + 163 = 328.

  2. 2. Calculate 64 + 49.

    113

    Count on or partition to add 64 and 49: 64 + 49 = 113.

  3. 3. Calculate 45 + 98.

    143

    Count on or partition to add 45 and 98: 45 + 98 = 143.

  4. 4. Calculate 138 + 142.

    280

    Count on or partition to add 138 and 142: 138 + 142 = 280.

  5. 5. Calculate 106 + 133.

    239

    Count on or partition to add 106 and 133: 106 + 133 = 239.

  6. 6. Calculate 225 + 125.

    350

    Count on or partition to add 225 and 125: 225 + 125 = 350.

  7. 7. Calculate 59 + 37.

    96

    Count on or partition to add 59 and 37: 59 + 37 = 96.

  8. 8. Calculate 155 + 44.

    199

    Count on or partition to add 155 and 44: 155 + 44 = 199.

  9. 9. Calculate 169 + 157.

    326

    Count on or partition to add 169 and 157: 169 + 157 = 326.

  10. 10. Calculate 144 + 52.

    196

    Count on or partition to add 144 and 52: 144 + 52 = 196.

  11. 11. Calculate 218 + 200.

    418

    Count on or partition to add 218 and 200: 218 + 200 = 418.

  12. 12. Calculate 207 + 46.

    253

    Count on or partition to add 207 and 46: 207 + 46 = 253.

12 questions · Seed 43 · Age guidance, not curriculum certification