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 48 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 7-9

Answers and reasoning. Review before teaching.

1. Calculate 52 + 187.
239
Count on or partition to add 52 and 187: 52 + 187 = 239.
2. Calculate 103 + 105.
208
Count on or partition to add 103 and 105: 103 + 105 = 208.
3. Calculate 173 + 216.
389
Count on or partition to add 173 and 216: 173 + 216 = 389.
4. Calculate 154 + 68.
222
Count on or partition to add 154 and 68: 154 + 68 = 222.
5. Calculate 206 + 238.
444
Count on or partition to add 206 and 238: 206 + 238 = 444.
6. Calculate 135 + 65.
200
Count on or partition to add 135 and 65: 135 + 65 = 200.
7. Calculate 112 + 110.
222
Count on or partition to add 112 and 110: 112 + 110 = 222.
8. Calculate 66 + 53.
119
Count on or partition to add 66 and 53: 66 + 53 = 119.
9. Calculate 221 + 136.
357
Count on or partition to add 221 and 136: 221 + 136 = 357.
10. Calculate 201 + 164.
365
Count on or partition to add 201 and 164: 201 + 164 = 365.
11. Calculate 114 + 208.
322
Count on or partition to add 114 and 208: 114 + 208 = 322.
12. Calculate 64 + 231.
295
Count on or partition to add 64 and 231: 64 + 231 = 295.

12 questions · Seed 48 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 7-9

Take your time. Show your thinking.

12 questions · Seed 48 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 7-9

Answers and reasoning. Review before teaching.

1. Calculate 52 + 187.
239
Count on or partition to add 52 and 187: 52 + 187 = 239.
2. Calculate 103 + 105.
208
Count on or partition to add 103 and 105: 103 + 105 = 208.
3. Calculate 173 + 216.
389
Count on or partition to add 173 and 216: 173 + 216 = 389.
4. Calculate 154 + 68.
222
Count on or partition to add 154 and 68: 154 + 68 = 222.
5. Calculate 206 + 238.
444
Count on or partition to add 206 and 238: 206 + 238 = 444.
6. Calculate 135 + 65.
200
Count on or partition to add 135 and 65: 135 + 65 = 200.
7. Calculate 112 + 110.
222
Count on or partition to add 112 and 110: 112 + 110 = 222.
8. Calculate 66 + 53.
119
Count on or partition to add 66 and 53: 66 + 53 = 119.
9. Calculate 221 + 136.
357
Count on or partition to add 221 and 136: 221 + 136 = 357.
10. Calculate 201 + 164.
365
Count on or partition to add 201 and 164: 201 + 164 = 365.
11. Calculate 114 + 208.
322
Count on or partition to add 114 and 208: 114 + 208 = 322.
12. Calculate 64 + 231.
295
Count on or partition to add 64 and 231: 64 + 231 = 295.

12 questions · Seed 48 · Age guidance, not curriculum certification