Subtraction Within 1000 (Break a Ten)

2.NBT.7 — Add and subtract within 1000 using concrete models or drawings and place-value strategies

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What is on the three Subtraction Within 1000 (Break a Ten) worksheets

Support: draws base-ten blocks beside every problem.
On level: The grade's own level, with no drawings.
Challenge: uses the harder cases.

Example problems from the on-level sheet

442 - 325 = ___
263 - 249 = ___
595 - 487 = ___

Every sheet is generated, so the numbers are different each time you make one.

Before this: 2.NBT.5 — fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.