Which team has the advantage? An imaginary story about a game of dodgeball in the lost city of Atlantis demonstrates the ways to compare two quantities. One coach compares the ratios of the numbers of players on each team while the other uses the differences of the numbers of players. The activity has the class play a game of dodgeball and compare the results to those in the video.

Concepts

ratios, parts and wholes, differences, dodgeball

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Additional Tags

math

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Instructional Ideas

• Have the class compare the ratio of team points to total points along with the ratio of the two teams points
• Lead a discussion on when it is appropriate to use ratios and differences when making comparisons

Classroom Considerations

• Requires space to play a game of dodgeball
• One installment of the Math at the Core: Ratios
  

Pros

• Includes a Spanish version of the video
• Provides questions to ask at different times during the video

Cons

• None

Common Core

6.RP.A.1 6.RP.A.2 7.RP.A.2.a 7.RP.A.3