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Estimating Quotients Using Compatible Numbers

Unit 1: Number Sense
Lesson 10 of 19

Objective: SWBAT estimate quotients of two-digit divisors and 2 -4 digit dividends using compatible numbers.

Big Idea: To estimate quotients with 2-digit divisors, we may need to change both the dividend and the divisor to be compatible numbers. We want to think of numbers that are close to the original numbers and use basic division facts we already know.

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7 teachers like this lesson
Subject(s):
Math, Number Sense and Operations, division of Korea, factoring polynomial expressions, Decimals, estimate, division, estimation, compatible numbers, multiples, distributive property, greatest common factor, least common multiple, multiplying
  55 minutes
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