Lesson plan

# 4. Use ratio relationships to solve problems (A)

teaches Common Core State Standards CCSS.Math.Content.6.RP.A.1 http://corestandards.org/Math/Content/6/RP/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Lesson objective: Apply creating and simplifying equivalent ratios to solve a problem.

This lesson provides an opportunity for students to apply their knowledge and understanding of ratio relationships to a real-life situation. Students are asked to help classmates create friendship bracelets using information from a pattern to answer questions and find missing values using a ratio table.

Key Concept students will use:

• A ratio is a comparison by division

Skills students will use:

• making comparisons between quantities using multiplication and division
• writing ratios using the word to, a colon and as a fraction
• creating and simiplifying equivalent ratios

Students engage in Mathematical Practice 4 (model with mathematics) as they apply mathematical strategies they have learned in order to solve a problem.

Key vocabulary:

• ratio