2.NBT.7: Adding and Subtracting Within 1000

Practice Worksheet
I can add and subtract within 1000.

Problem 1

313 + 136 = _____

Hint: Add the hundreds first, then the tens, then the ones.
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Problem 2

273 + 96 = _____

Hint: Add the hundreds first, then the tens, then the ones.
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Problem 3

303 + 77 = _____

Hint: Add the hundreds first, then the tens, then the ones.
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Problem 4

158 + 136 = _____

Hint: Add the hundreds first, then the tens, then the ones.
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Problem 5

368 + 95 = _____

Hint: Add the hundreds first, then the tens, then the ones.
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Problem 6

225 - 112 = _____

Hint: Subtract the hundreds first, then the tens, then the ones.
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Problem 7

257 - 134 = _____

Hint: Subtract the hundreds first, then the tens, then the ones.
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Problem 8

265 - 80 = _____

Hint: Subtract the hundreds first, then the tens, then the ones.
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Problem 9

405 - 75 = _____

Hint: Subtract the hundreds first, then the tens, then the ones.
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Problem 10

315 - 60 = _____

Hint: Subtract the hundreds first, then the tens, then the ones.