## Explaining The Solution - Section 3: Independent Practice

Explaining The Solution

# Where is the Question

Unit 17: Getting Better at Addition and Subtraction
Lesson 1 of 12

## Big Idea: Students can perform addition and subtraction within 100 using a variety of math tools, however, determining which operation to use is a higher level thinking skill that is being introduced in this lesson.

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Standards:
Subject(s):
Math, Number Sense and Operations, addition, reasoning, word problems, Operations
65 minutes

### Beth McKenna

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