Proportional Reasoning (Chapter 4)
Lesson 3: Proportions (4.2 & 4.5)
Learning Goals of Lesson 3
By the end of this lesson, I can:
-set up proportions using two or more equivalent ratios
-solve for a missing term in a proportion in 2 different ways
-determine the scale factor "between" ratios & "within" ratios
Video 1: The Ratio Song
Video 2: Setting Up and Solving Proportions
Video 3: Solving a Missing Term Using the Scale Factor
Video 4: Solving a Missing Term By Cross-Multiplication
Video 5: Solving a Proportion Algebraically Step-by-Step
Video 6: Table Display of a Proportional Relationship
Handout 3-11:
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Handout 3-12
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