Course 2, Lesson 1-2 Find each unit rate. Round to the nearest hundredth if necessary. 1. $3.99 for 16 ounces 2. 730 miles in 14 hours 3. $28 for 15 goldfish.

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Presentation transcript:

Course 2, Lesson 1-2 Find each unit rate. Round to the nearest hundredth if necessary. 1. $3.99 for 16 ounces miles in 14 hours 3. $28 for 15 goldfish Calories in 3 servings 5. Which is the better unit price: $1.99 for a 3-ounce bottle or $2.49 for a 4-ounce bottle? 6. Cassandra leaves college to go home for the summer. She lives 424 miles away and arrives in 8 hours. Which ratio shows her rate of travel in simplest form?

Course 2, Lesson 1-2 ANSWERS 1. $0.25 per ounce miles per hour 3. $1.87 per goldfish Calories per serving 5. $2.49 for a 4-ounce bottle 6. 53:1

HOW can you show that two objects are proportional? Ratios and Proportional Relationships Course 2, Lesson 1-2

Ratios and Proportional Relationships Course 2, Lesson 1-2 Common Core State Standards © Copyright National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. 7.RP.1 Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. 7.NS.3 Solve real-world and mathematical problems involving the four operations with rational numbers. Mathematical Practices 1Make sense of problems and persevere in solving them. 3 Construct viable arguments and critique the reasoning of others. 4 Model with mathematics. 6 Attend to precision.

To simplify a complex fraction To find unit rates Ratios and Proportional Relationships Course 2, Lesson 1-2

Ratios and Proportional Relationships Course 2, Lesson 1-2 complex fraction

How did what you learned today help you answer the HOW can you show that two objects are proportional? Course 2, Lesson 1-2 Ratios and Proportional Relationships

How did what you learned today help you answer the HOW can you show that two objects are proportional? Course 2, Lesson 1-2 Ratios and Proportional Relationships Sample answers: By simplifying a complex fraction to find a unit rate By writing a percent as a rate per 100

Simplify. Ratios and Proportional Relationships Course 2, Lesson 1-2