Conjecture about Addition.jpg - Section 2: Teacher Demonstration

 
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Transforming to Compute Smaller Numbers

Unit 5: Adding & Subtracting Large Numbers
Lesson 13 of 16

Objective: SWBAT use transformation to check the addition and subtraction algorithms for accuracy.

Big Idea: Students will adjust both addends or both the subtrahend and minuend to make computation easier.

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