Estimating Sums and Differences Video - Section 1: Opener

Estimating Sums and Differences Video
Estimating Sums and Differences Video

Estimating Sums and Differences of Whole Numbers

Unit 11: Adding and Subtracting Whole Numbers
Lesson 2 of 11

Big Idea: If students do not need an exact answer, they will use place value to round numbers to find sums and differences.

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Standards:
Subject(s):
Math, Number Sense and Operations, rounding, estimation, Operations
60 minutes

Rose Monroe

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