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Subtract Across Zeros

- 3rd Grade Math

By the end of the third grade, students should be fluent with subtraction within 1000. Students already had considerable practice of subtraction within 1000 in the second grade. But as fluency is an expectation in third grade, students must be exposed to a variety of methods, including the standard algorithm for subtraction. In this worksheet, students work with subtraction across zeroes as a special case.

Common Core Alignment

3.NBT.2Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.