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Waiting in Line

From KNILT

Problem

What is the best line to get into at the grocery store?


Implementation

  • Begin by posting the question, "What is the best line to get into at the grocery store?," for the class to read.
  • Allow students time to discuss their understanding. Ask "how do you choose?"
  • Project the image shown at right to the class
  • Ask students to pick which lane they would get into.
  • Either as a class or in groups, have students discuss what happens when they get in line at the grocery store.
  • Ask them what then they need to know in order to solve the problem.
  • Distribute resources, and have students work out problem.
  • Have students discuss their findings to the entire class.

Extension

  • Post different line length scenarios, have students determine which line they would get into.

Resources

What I Would Do With This: Groceries


Wiki Links

Making Math Problematic

Unit 3 - Authentic Tasks