3.NBT.A.1 Worksheets: Round to 10 or 100
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3.NBT.A.1 (Number and Operations in Base Ten): Round whole numbers to the nearest 10 or 100.
About this standard
Third graders round whole numbers to the nearest 10 or 100 using place value, and use rounding to estimate and check answers. A number line marked in tens or hundreds shows which friendly number is closer. Start with Rounding to the Nearest 10 and 100, then use the skill to check work in Estimating Sums and Differences; see 3rd Grade Math standards for more.
