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lesson 14
1 hour

Place Value Subtraction Algorithm And Word Problems


Description

Use place value understanding to decompose to smaller units up to 3 times using the standard subtraction algorithm, and apply the algorithm to solve word problems using tape diagrams.

As in Grades 2 and 3, students continue to decompose all necessary digits before performing the algorithm, allowing subtraction from left to right, or, as taught in the lessons, from right to left.

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Prerequisites

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Credits

From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 1, Topic E, Lesson 14. Available from engageny.org/resource/grade-4-mathematics-module-1-topic-e-lesson-14; accessed 2015-05-29.
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