# Ratio and Proportion

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Using our Ratio and Proportion Lesson Plan, students will be able to understand and apply ratios to groups of objects, compute rate of change, use cross products in proportions to solve for missing values, and use tables and graphs to solve real world problems.  This lesson generalizes the concepts as students utilize their charts and relate the information to a grocery store item.  Leverage peer learning as students solve each others problems to drive practice, self-correction and identification of errors.  Discussing the jobs where ratios and proportions are relevant, students engage their analytical and critical thinking skills.

## Ratio and Proportion Lesson Plan Includes:

• Full Teacher Guidelines with Creative Teaching Ideas
• Instructional Content Pages about Ratio and Proportion.
• Hands on homework activities giving students practice on determining what rates, ratios & proportions are, and use tables and graphs to solve real world problems.
• Common Core State Standards

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### Description

Using our Ratio and Proportion Lesson Plan, students will be able to understand and apply ratios to groups of objects, compute rate of change, use cross products in proportions to solve for missing values, and use tables and graphs to solve real world problems.  This lesson generalizes the concepts as students utilize their charts and relate the information to a grocery store item.  Leverage peer learning as students solve each others problems to drive practice, self-correction and identification of errors.  Discussing the jobs where ratios and proportions are relevant, students engage their analytical and critical thinking skills.

Sample Classroom Procedure / Teacher Instruction

1. Begin by explaining that ratios and proportions are used in our daily lives. Explain that we often calculate them without realizing we are doing math.
2. While reading the content pages, give students additional examples of ratios to help them understand the concept of part and whole as well as the three ways to write ratios. Use the additional resources to enhance understanding.
3. Introduce the notes on rates. Have students practice using the chart. Instructors can have each student think of one grocery store item and on the front of an index card, write down two of the three necessary pieces of information and on the back of the index card write the answer. Students can swap cards and solve multiple problems.
4. While reading the content pages on proportions, give students additional examples to help them understand equal and unequal proportions. Use the additional resources to enhance understanding of proportion problems.
5. Introduce the notes on tables and graphs. Use other resources to demonstrate various graphing problems.
6. Distribute Activity page to groups of students. Have materials ready for the activity.
7. Distribute Practice page. Check and review the students’ responses. Have students work in pairs to solve and check their work.
8. Distribute the Homework page and a piece of graph paper. The next day, allow students to share their dream bedrooms.
9. In closing, ask: In which occupations do you think ratios and proportions are important?
10. Allow for responses and discussion.

Common Core State Standards: None for Math 4 None for Math 5 CCSS.Math.Content.6.RP.1 CCSS.Math.Content.6.RP.2 CCSS.Math.Content.6.RP.3

Class Sessions (45 minutes): 2 sessions