 In a bag of 8 apples, 2 of the apples are green. In a bag of 4 apples, 1 is green. Is this a proportional relationship?

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Presentation transcript:

 In a bag of 8 apples, 2 of the apples are green. In a bag of 4 apples, 1 is green. Is this a proportional relationship?

 What is the first ratio, or fraction, you built?  What does the ratio represent?  What is the second ratio, or fraction, you built?  What does the ratio represent?  How can you tell if the two ratios are equivalent?  Is this a proportional relationship? Why or why not?

 Based on the problem, build the two ratios and draw them on the Fraction Squares worksheet. Explain whether the ratios are equivalent and write an equation to represent the equivalent ratios.

 In Rob’s group, there are 2 boys and 3 girls. In Caren’s group, there are 4 boys and 6 girls. Which equations shows that the groups are proportional?  ABCD

 Start on Lesson 2 Ratios and Proportional Relationships worksheet. Read the directions carefully.  Homework: Complete worksheet and look at the web page for additional problems for practice.