tape - Section 2: Whole Group Interaction

 
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Use Number Line for Subtraction

Unit 11: Subtraction Strategies
Lesson 3 of 7

Objective: SWBAT solve subtraction equations within 20 using a number line.

Big Idea: My students have learned to identify missing numbers on a number line. Now I want them to see a number line as a tool to solve subtraction problems.

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Standards:
Subject(s):
Math, Number Sense and Operations, subtraction, First Grade, number line, take away, Operations
  35 minutes
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