Unit 2 Overview

I can use drawings to show ratios, write sentences to describe them, and explain what makes ratios equivalent with examples. 

• What is a ratio? How do I represent ratios?

• Unit 2 Lesson 2 and 3.2 and 3.3. Lesson 2 Practice Problems. Unit 2 Lesson 2 CD

• 2.4 Handout

I can compare different types of diagrams, explain how to use double number lines to find equivalent ratios, and use the word 'per' to describe ratios. 

• Unit 2 Lesson 4.2, 4.3, 5.2, 5.4, Lesson 5Practice Problems. Unit 2 Lesson 5 CD

I can calculate and explain unit rates using ratios, create and use diagrams to compare situations, and determine if two situations happen at the same rate. 

• Unit 2 Lesson 6.2 and All Lesson 7. Lesson 7 Practice Problems. Unit 2 Lesson 7 CD

I can understand and use the words 'row' and 'column' to describe tables, find missing values in a table of equivalent ratios, and explain how to use tables and multipliers to solve problems. 

• Unit 2 Lesson 8, 9.2 and 9.3. Lesson 8 Practice Problems. Unit 2 Lesson 8 CD

I can figure out what information is needed to solve ratio problems, ask questions to get that information, and use tape diagrams to explain and solve ratio problems 

• Unit 2 All of Lesson 10 and 11.2.  Lesson 10 Practice Problems. Unit 2 Lesson 10 CD

I can understand and use the word 'parts' when talking about ratios, create and use tape diagrams to solve problems, and compare different ways to solve the same problem. 

• Unit 2 11.3 and All of 12.  Lesson 12 Practice Problems. Unit 2 Lesson 12 CD

I can decide if finding a rate per 1 is helpful for solving problems with unfamiliar rates and explain how to solve problems involving rates in new situations. 

• Unit 2 Lesson 13. Lesson 13 Practice Problems. Unit 2 Lesson 13 CD

I can use double number lines or tables to solve unit conversion problems, explain how to use a 'rate per 1,' and understand that pairs of measurements in different units are equivalent ratios. 

• Unit 2 Lesson 15. Lesson 15 Practice Problems. Unit 2 Lesson 15 CD

I can explain that ratios with the same rate per 1 are equivalent, justify comparisons of speeds or prices, and use unit rates to solve problems, understanding that a 'unit rate' means a rate per 1. 

• Unit 2 Lesson 16 and 17.2. Lesson 16 Practice Problems. Unit 2 Lesson 16 CD

I can calculate and understand unit rates for ratios, choose the right unit rate for a problem, and use unit rates to complete and explain a table of equivalent ratios, knowing that equivalent ratios have the same rate per 1. 

• Unit 2 Lesson 17.3 and All of  Lesson 18. Lesson 18 Practice Problems. Unit 2 Lesson 18 CD

I can convert and compare distances in different units, determine if a price is a good deal using ratios and rates, and understand and use percentages to solve problems, explaining how to find percentages with diagrams or tables. 

• Unit 2 Lesson 19, 20.1 and 20.2. Lesson 19 Practice Problems. Unit 2 Lesson 19 CD

• 19.2 Handout

I can understand phrases like 'A% of B' as a ratio equivalent to A:100, use diagrams or tables to find percentages, and clearly state what I'm finding the percentage of. 

• Unit 2 Lesson 20.3 and All of Lesson 21. Lesson 21 Practice Problems. Unit 2 Lesson 21 CD

I can explain how to find 10%, 25%, 50%, and 75% of a quantity by using fractions, and describe general methods for calculating these percentages. 

• Unit 2 Lesson 22. Lesson 22 Practice Problems. Unit 2 Lesson 22 CD

I can figure out what information is needed to solve percentage problems, describe and justify methods for finding percentages, and critique statements about percentages and equivalent expressions. 

• Unit 2 23.3 and All of 24. Lesson 23 Practice Problems. Unit 2 Lesson 23 CD

• 13.3 Handout

• Thinking Blocks: Tape Diagrams