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Go Math!: Chapter 9: Understand Perimeter
Go Math!: Lesson 1: Model Perimeter
Go Math!: Lesson 2: Find Perimeter
Go Math!: Lesson 3: Use a Formula to Find Perimeter
Go Math!: Lesson 4: Same Perimeter, Different Area
Go Math!: Lesson 5: Same Area, Different Perimeters
Go Math!: Lesson 6: Find Unknown Measures
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Lesson 3: Use a Formula to Find Perimeter
Lesson 4: Same Perimeter, Different Area
Lesson 5: Same Area, Different Perimeters
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