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Argosy University

Pre-Algebra: Lesson 011

Multiplication and Division
Estimating Products and Quotients

Lesson Description

Students learn to estimate a product or quotient by first rounding each number to one non-zero digit. For example, to estimate 8,291 x 27, first round 8,291 down to 8,000, and round 27 up to 30, then multiply 8,000 x 30 to get 240,000.

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