Lesson plan

# 10. Solve problems using measurement conversions (A)

teaches Common Core State Standards CCSS.Math.Content.6.RP.A.3d http://corestandards.org/Math/Content/6/RP/A/3/d
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1

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Lesson objective: Apply conversions of measurement systems using ratio relationships to a real-life situation.

This lesson provides an opportunity for students to apply their knowledge and understanding of conversions of measurement systems using relationships within ratios to a real-life situation. Students are asked to help students analyze the data collected about snails in science class.

Key Concept students will use:

• Measurement systems involve multiplicative relationships; while a magnitude is invariant, the number we use to describe the magnitude is dependent on the unit of measurement.

Skills students will use:

• Identify multiplicative relationships between quantities
• Use "between" and "within" relationships to find missing values in a ratio table
• Identify multiplicative relationships in conversions between units of measure

Students engage in Mathematical Practice 1 (make sense of problems and persevere in solving them) as they identify an entry point to the task, try multiple strategies to find a solution and use tables to represent their thinking.

Key vocabulary:

• "between" relationship
• measurement system
• multiplicative
• "within" relationship
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• 10. Solve problems using measurement conversions (A)