Using Mental Math to Add and Subtract.docx - Section 3: Group or Partner Activity

 
  Using Mental Math to Add and Subtract.docx
  Using Mental Math to Add and Subtract.docx
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Using Mental Math to Add and Subtract

Unit 11: Adding and Subtracting Whole Numbers
Lesson 1 of 11

Objective: SWBAT apply a variety of methods (such as breaking apart, compensation, and counting on) to add and subtract whole numbers mentally.

Big Idea: Students can use the break apart, compensation, and counting on methods to add and subtract without paper and pencil.

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10 teachers like this lesson
Subject(s):
Math, Number Sense and Operations, add and subtract whole numbers, Operations
  60 minutes
using mental
 
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