Equivalent Ratios

Equivalent Ratios

Egginess Problem

Math Mission

Opening

Determine how to fix the egg and flour mixture to get the right amount of egginess.

Fix the Mixture

Work Time

Fix the Mixture

There are 2 eggs and 4 tablespoons of flour already in the bowl.

Discuss:

  • How can the you fix the egg and flour mixture to get the right amount of egginess?
  • Explain why your changes to the mixture will result in the right amount of egginess.

Ask yourself:

  • Nothing can be taken away from the mixture because the eggs and flour are mixed together.
  • What could you add to the mixture to get the right egginess?

Prepare a Presentation

Work Time

Prepare a Presentation

Write an explanation of your strategy to solve the egginess problem.

Make Connections

Performance Task

Ways of Thinking: Make Connections

Take notes about the strategies that your classmates used to solve the problem.

As your classmates present, ask questions such as:

  • How can you prove that your changes will result in the right amount of egginess (in case Nana is skeptical)?
  • What operations did you use to figure out how to fix the mixture?
  • What other amounts of eggs and flour could you use to make a mixture with the right amount of egginess (in case you need to make more or less of the mixture)?

Make Connections

Performance Task

Ways of Thinking: Make Connections

Watch the video.

  1. How does your strategy for fixing the mixture compare with the one in the video?

VIDEO: Egginess Part 2

Reflect On Your Work

Work Time

Reflection

Write a reflection about the ideas discussed in class today. Use the sentence starter below if you find it to be helpful.

When I encounter a problem like the egginess problem, one strategy I use for finding the answer is …