Warm Up Find the unit rate 1 18

Warm Up Find the unit rate. 1. 18 miles in 3 hours 6 mi/h 2. 6 apples for $3. 30 $0. 55 per apple 3. 3 cans for $0. 87 $0. 29 per can 4. 5 CD’s for $43 $8. 60 per CD

Standards: Essential Question: MCC 7. RP. 2: Recognize and represent proportional relationships between quantities. How do you find equivalent rates and identify proportions? How do you solve proportions?

7 -2/3 Identifying, Writing & Solving Proportions

• Equivalent Ratios are two ratios that name the same number ØEx: 4 8 16 5 10 20 To find equivalent ratios, you multiply top and bottom by same number, or divide top and bottom by same number.

But how do I write it… The equation, or proportion, below states that the ratios 6 and 21 are equivalent. 4 Reading Math 14 6 = 21 14 4 Read the proportion 6 = 21 by saying “six is to four 4 14 as twenty-one is to fourteen. ”

Practice: Workbook pg 185 I show… You try… ) (Answers will vary Ratio Video

3 Ways to check if two rations are proportional. Find the simplest form of both fractions Convert both ratios to decimals Use cross multiplication You use the way that makes since to you.

Practice: Workbook pg 185 I show… You try… Proportion Video

Word Problem Connection

7 -3 Solving

Sooo…. You’ve kind of done this before

Use Unit Rate Use Cross multiplication, then solve the one step equation. Mental Math More than one way. Choose what works for you.

Practice Workbook pg 191 I show… You try…

Workbook pg 192 Word Problem Connection

Same things line up Horizontally and Vertically. All of these are correct ways to set up the proportion for this problem and will all give the same answer.

try u … Yo w… ho Yo u y… Is w… ho Is

You try…

Homework Workbook pg 190 # 1 – 9

Thursday Review • Workbook pg • 15 Min Rot Rvw –Work 10 min 179 –Check 5 min • Workbook pg –Rotate 186 • Workbook pg 192