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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Worksheet StudioPractice pack · Ages 7-9

Take your time. Show your thinking.

12 questions · Seed 104731 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 7-9

Answers and reasoning. Review before teaching.

1. Calculate 122 + 73.
195
Count on or partition to add 122 and 73: 122 + 73 = 195.
2. Calculate 56 + 120.
176
Count on or partition to add 56 and 120: 56 + 120 = 176.
3. Calculate 214 + 104.
318
Count on or partition to add 214 and 104: 214 + 104 = 318.
4. Calculate 132 + 45.
177
Count on or partition to add 132 and 45: 132 + 45 = 177.
5. Calculate 100 + 213.
313
Count on or partition to add 100 and 213: 100 + 213 = 313.
6. Calculate 211 + 128.
339
Count on or partition to add 211 and 128: 211 + 128 = 339.
7. Calculate 212 + 144.
356
Count on or partition to add 212 and 144: 212 + 144 = 356.
8. Calculate 55 + 238.
293
Count on or partition to add 55 and 238: 55 + 238 = 293.
9. Calculate 91 + 124.
215
Count on or partition to add 91 and 124: 91 + 124 = 215.
10. Calculate 95 + 38.
133
Count on or partition to add 95 and 38: 95 + 38 = 133.
11. Calculate 63 + 184.
247
Count on or partition to add 63 and 184: 63 + 184 = 247.
12. Calculate 71 + 149.
220
Count on or partition to add 71 and 149: 71 + 149 = 220.

12 questions · Seed 104731 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 7-9

Take your time. Show your thinking.

12 questions · Seed 104731 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 7-9

Answers and reasoning. Review before teaching.

1. Calculate 122 + 73.
195
Count on or partition to add 122 and 73: 122 + 73 = 195.
2. Calculate 56 + 120.
176
Count on or partition to add 56 and 120: 56 + 120 = 176.
3. Calculate 214 + 104.
318
Count on or partition to add 214 and 104: 214 + 104 = 318.
4. Calculate 132 + 45.
177
Count on or partition to add 132 and 45: 132 + 45 = 177.
5. Calculate 100 + 213.
313
Count on or partition to add 100 and 213: 100 + 213 = 313.
6. Calculate 211 + 128.
339
Count on or partition to add 211 and 128: 211 + 128 = 339.
7. Calculate 212 + 144.
356
Count on or partition to add 212 and 144: 212 + 144 = 356.
8. Calculate 55 + 238.
293
Count on or partition to add 55 and 238: 55 + 238 = 293.
9. Calculate 91 + 124.
215
Count on or partition to add 91 and 124: 91 + 124 = 215.
10. Calculate 95 + 38.
133
Count on or partition to add 95 and 38: 95 + 38 = 133.
11. Calculate 63 + 184.
247
Count on or partition to add 63 and 184: 63 + 184 = 247.
12. Calculate 71 + 149.
220
Count on or partition to add 71 and 149: 71 + 149 = 220.

12 questions · Seed 104731 · Age guidance, not curriculum certification