Unit 2, Lesson 13
Solving More Ratio Problems
Accelerated 6
Preparation
Lesson Narrative
In this lesson, students use all representations they have learned in this unit—double number lines, tables, and tape diagrams—to solve ratio problems that involve the sum of the quantities in the ratio. They consider when each tool might be useful and preferable in a given situation and why (MP5). In so doing, they make sense of situations and representations, and are strategic in their choice of solution method (MP1).
- Choose and create diagrams to help solve problems that involve ratios and a total amount.
- Compare and contrast (orally) different representations of and solution methods for the same problem.
Let’s compare all our strategies for solving ratio problems.
Required Materials
Required Preparation
Activity 3
Make one copy of the blackline master for every 6 students and cut them up ahead of time. Consider using a different color paper for each of the four pages to make them easier to organize.
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