## getting started - Section 3: Independent Practice

getting started

# Unknown Addend Problems

Unit 11: Subtraction Strategies
Lesson 6 of 7

## Big Idea: I CAN is a big statement. Students have been practicing subtraction and we want them to persevere and solve word problems to create their own subtraction number sentences. They will use known addition facts to solve subtraction problems.

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Standards:
Subject(s):
Math, Number Sense and Operations, addition, subtraction, First Grade, Operations
30 minutes

### Jennifer Moon

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