math street signs.docx - Section 1: Warm Up

 
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Playing Teacher - Checking Our Work

Unit 17: Getting Better at Addition and Subtraction
Lesson 2 of 12

Objective: SWBAT compare their work to comparison problems for accuracy, and explain why their addition or subtraction strategies worked.

Big Idea: Students need to be able to explain the strategies they use to solve problems, and also they must understand the importance of checking their own work.

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Subject(s):
Math, Number Sense and Operations, problem solving, addition, subtraction, reasoning, Operations
  60 minutes
100 0737
 
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