Student explanation of subtraction across zeros.jpg - Section 1: Warm Up and Checking it Out.

 
  Student explanation of subtraction across zeros.jpg
  Student explanation of subtraction across zeros.jpg
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Subtraction Across Zeros: Using Place Value Understanding to Talk it Through

Unit 1: Place Value and Multi-Digit Addition & Subtraction
Lesson 3 of 7

Objective: SWBAT explain the "how and why" of regrouping when subtracting across zeros.

Big Idea: Students examine misconceptions and learn to use place value language to regroup and subtract fluently using a place value chart.

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