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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 222 + 171.

    222 · 171 · Addition fluency

  2. 2. Calculate 148 + 160.

    148 · 160 · Addition fluency

  3. 3. Calculate 162 + 180.

    162 · 180 · Addition fluency

  4. 4. Calculate 173 + 184.

    173 · 184 · Addition fluency

  5. 5. Calculate 173 + 66.

    173 · 66 · Addition fluency

  6. 6. Calculate 133 + 36.

    133 · 36 · Addition fluency

  7. 7. Calculate 65 + 43.

    65 · 43 · Addition fluency

  8. 8. Calculate 86 + 53.

    86 · 53 · Addition fluency

  9. 9. Calculate 213 + 79.

    213 · 79 · Addition fluency

  10. 10. Calculate 50 + 85.

    50 · 85 · Addition fluency

  11. 11. Calculate 107 + 203.

    107 · 203 · Addition fluency

  12. 12. Calculate 79 + 95.

    79 · 95 · Addition fluency
12 questions · Seed 49 · 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 222 + 171.

    393

    Count on or partition to add 222 and 171: 222 + 171 = 393.

  2. 2. Calculate 148 + 160.

    308

    Count on or partition to add 148 and 160: 148 + 160 = 308.

  3. 3. Calculate 162 + 180.

    342

    Count on or partition to add 162 and 180: 162 + 180 = 342.

  4. 4. Calculate 173 + 184.

    357

    Count on or partition to add 173 and 184: 173 + 184 = 357.

  5. 5. Calculate 173 + 66.

    239

    Count on or partition to add 173 and 66: 173 + 66 = 239.

  6. 6. Calculate 133 + 36.

    169

    Count on or partition to add 133 and 36: 133 + 36 = 169.

  7. 7. Calculate 65 + 43.

    108

    Count on or partition to add 65 and 43: 65 + 43 = 108.

  8. 8. Calculate 86 + 53.

    139

    Count on or partition to add 86 and 53: 86 + 53 = 139.

  9. 9. Calculate 213 + 79.

    292

    Count on or partition to add 213 and 79: 213 + 79 = 292.

  10. 10. Calculate 50 + 85.

    135

    Count on or partition to add 50 and 85: 50 + 85 = 135.

  11. 11. Calculate 107 + 203.

    310

    Count on or partition to add 107 and 203: 107 + 203 = 310.

  12. 12. Calculate 79 + 95.

    174

    Count on or partition to add 79 and 95: 79 + 95 = 174.

12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9

Addition fluency

Take your time. Show your thinking.

  1. 1. Calculate 222 + 171.

    222 · 171 · Addition fluency

  2. 2. Calculate 148 + 160.

    148 · 160 · Addition fluency

  3. 3. Calculate 162 + 180.

    162 · 180 · Addition fluency

  4. 4. Calculate 173 + 184.

    173 · 184 · Addition fluency

  5. 5. Calculate 173 + 66.

    173 · 66 · Addition fluency

  6. 6. Calculate 133 + 36.

    133 · 36 · Addition fluency

  7. 7. Calculate 65 + 43.

    65 · 43 · Addition fluency

  8. 8. Calculate 86 + 53.

    86 · 53 · Addition fluency

  9. 9. Calculate 213 + 79.

    213 · 79 · Addition fluency

  10. 10. Calculate 50 + 85.

    50 · 85 · Addition fluency

  11. 11. Calculate 107 + 203.

    107 · 203 · Addition fluency

  12. 12. Calculate 79 + 95.

    79 · 95 · Addition fluency
12 questions · Seed 49 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9

Addition fluency

Answers and reasoning. Review before teaching.

  1. 1. Calculate 222 + 171.

    393

    Count on or partition to add 222 and 171: 222 + 171 = 393.

  2. 2. Calculate 148 + 160.

    308

    Count on or partition to add 148 and 160: 148 + 160 = 308.

  3. 3. Calculate 162 + 180.

    342

    Count on or partition to add 162 and 180: 162 + 180 = 342.

  4. 4. Calculate 173 + 184.

    357

    Count on or partition to add 173 and 184: 173 + 184 = 357.

  5. 5. Calculate 173 + 66.

    239

    Count on or partition to add 173 and 66: 173 + 66 = 239.

  6. 6. Calculate 133 + 36.

    169

    Count on or partition to add 133 and 36: 133 + 36 = 169.

  7. 7. Calculate 65 + 43.

    108

    Count on or partition to add 65 and 43: 65 + 43 = 108.

  8. 8. Calculate 86 + 53.

    139

    Count on or partition to add 86 and 53: 86 + 53 = 139.

  9. 9. Calculate 213 + 79.

    292

    Count on or partition to add 213 and 79: 213 + 79 = 292.

  10. 10. Calculate 50 + 85.

    135

    Count on or partition to add 50 and 85: 50 + 85 = 135.

  11. 11. Calculate 107 + 203.

    310

    Count on or partition to add 107 and 203: 107 + 203 = 310.

  12. 12. Calculate 79 + 95.

    174

    Count on or partition to add 79 and 95: 79 + 95 = 174.

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