Great Estimations Great Estimations
Great Estimations
Great Estimations Great Estimations
Great Estimations
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An eye-popping, entertaining introduction to the concept of estimation using groupings of 10s, 100s and 1000s. "Will add zing to many a math lesson."—SLJ

Common Core Alignment:

4.OA.A.3 Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.