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# Show what you know about rates

Lesson 17 of 21

## Objective: SWBAT: • Show what they know about rates.

## Big Idea: What do students understand? What gaps do they have in their understanding? Students review and take the quiz.

*50 minutes*

#### Do Now

*5 min*

See my **Do Now** in my Strategy folder that explains my beginning of class routines.

Often, I create do nows that have problems that connect to the task that students will be working on that day. Today I want students to think about the difference between a ratio and a rate. I want students to understand that a ratio is a way to show a relationship between two amounts. A rate is special type of ratio that shows a relationship between two measurements.

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#### Quiz Review

*10 min*

Before students take their quiz, they work with a partner on this problem. I want students to be able to use math reasoning to show that the student who runs 8 miles per hour is faster. Some students may turn both rates into miles per hour. Other students change both rates into minutes per mile.

As students work, I walk around and monitor student progress. With a few minutes left, I ask students to show and explain their work under the document camera. I have a few students who used different strategies come up and show and explain their work under the document camera. I ask the class for questions and comments on the student work. Students are engaging in **MP3: Construct viable arguments and critique the reasoning of others**.

#### Resources

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#### Quiz

*35 min*

For this quiz I used a couple of different resources. My school has a membership for www.testwiz.net. This website has a very extensive item bank of Common Core questions. I search by standard and make modifications as necessary. Also, my school has subscription for the assessment bank for the College Preparatory Mathematics curriculum. The bank has a wide variety of rigorous multiple choice and open-response questions. See www.cpm.org for more details.

I give students the **Quiz.** Students engage with **MP1: Make sense of problems and persevere in solving them**. If students do not finish in the allotted time, they set up a time (preferably that day) to come in and complete it. I use this data to inform my instruction. If students struggle with a concept, I will spiral it into do nows and homework assignments. I may also add a few problems on that topic to the next quiz.

#### Resources

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##### Similar Lessons

###### Finding Equivalent Ratios

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Environment: Urban

Environment: Urban

- UNIT 1: Intro to 6th Grade Math & Number Characteristics
- UNIT 2: The College Project - Working with Decimals
- UNIT 3: Integers and Rational Numbers
- UNIT 4: Fraction Operations
- UNIT 5: Proportional Reasoning: Ratios and Rates
- UNIT 6: Expressions, Equations, & Inequalities
- UNIT 7: Geometry
- UNIT 8: Geometry
- UNIT 9: Statistics
- UNIT 10: Review Unit

- LESSON 1: Nana's Chocolate Milk
- LESSON 2: Introduction to Ratios
- LESSON 3: Extending and Comparing Ratios
- LESSON 4: Ratios with Thinking Blocks
- LESSON 5: Working with Percents
- LESSON 6: Converting Measurements Using Ratios
- LESSON 7: Converting Measurements Using Ratios Day 2
- LESSON 8: Show What you Know About Ratios
- LESSON 9: Introduction to Rates
- LESSON 10: Heart Rate
- LESSON 11: Calculating Speed Day 1
- LESSON 12: Calculating Speed Day 2
- LESSON 13: Comparing Rates
- LESSON 14: Calculating Unit Rates
- LESSON 15: The State Fair
- LESSON 16: Better Deal Stations
- LESSON 17: Show what you know about rates
- LESSON 18: Finals Week Day 1
- LESSON 19: Finals Week Day 2
- LESSON 20: Unit 5 Review Stations
- LESSON 21: Unit 5 Test