Lesson 6.1 Page 267 Ratios We will write ratios as fractions in simplest form We will simplify ratios involving measurements A Ratio i sa comparison of.

$Page 1: Lesson 6.1 Page 267 Ratios We will write ratios as fractions in simplest form We will simplify ratios involving measurements A Ratio i sa comparison of.$
Lesson 6.1 Page 267 Ratios

We will write ratios as fractions in simplest form

We will simplify ratios involving

measurements

A Ratio i sa comparison of two quantities by division

2 cups = 1 pint 4 cups = 1 quart 2 pints = 1 quart 4 quarts = 1 gallon 12 inches = 1 foot

36 inches = 1 yard 3 feet = 1 yard

Copy 16 ounces = 1 pound

You may use this on test

When converting measurement for a ratio use the following: pints to cups quarts to pints quarts to cups gallon to quart pound to ounces feet to inches yard to feet yard to inches

You may use this on test

Many ways to write ratios

Numbers Algebra

Always Reduce

If playing basketball 12 baskets in 18 attempts 12:18 12 to 18 12 18

10 of every 30 Americans own a cell phone

15 out of every 100 students like Physical Education

90 to 4

When writing a ratio involving measurements, both quantities should have the same unit of measurement

Example Express 8 ounces to 3 pounds

• convert ounces to pounds • Write as fraction • Reduce

pounds to ounces

Remember Hint.... 16 ounces = 1 pound

3 pints to four quarts (convert pints to quarts)

convert quarts to pints

Remember Hint.... 2 pints = 1 quart

Pages 268 - 269 Problems 1- 25

1. 12:16 2. 24 out of 60 3. 36:84 4. 50 to 25

5. 15 out of 24 10. 9 out of 15 11. 20 out of 36 12. 4 out of 52 13. 45 out of 60 14. 16 to 10 15. 96 to 3

Selected on next 3 slides

7. 3 pints to 4 quarts 8. 9 inches to 1 yard 9. 6 gallons to 3 quarts

18. 10 yards to 10 feet 19. 4 ounces to 2 pounds 20. 18 quarts to 4 gallons 21. 6 feet to 14 inches

Lesson 6.2 Unit Rates $11 for 4 boxes of cereal 400 miles on 14 gallonsHow much is 1 box ?

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How many miles does your car (truck) get per gallon of gas?


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Usually when dealing with money you will put the amount first

Lets do a fewPage 272 1A. $18.50 for 5 pounds

1B. 100 meters in 14 seconds

Page 273 Online music store sells 15 songs for $12.00. iTunes sells 10 songs for $9.00. What is the best deal?



A store sells two different kinds of head phones. Package of 8 sets for $5.76 and package of 12 sets for $8.88. What is the cheapest package?



Questions on Lesson 6.2 Page 272 Examples 1 and 2? Assignment: Page 272 Problems 1 - 7 Also from Lesson 6.1 Page 268-269 Problems 6 - 9 and 18 - 21

Example 3 Page 273 A typical dolphin will take about 34 breaths in 4 hours. How many breaths will a dolphin take in 7 hours?



Page 273 Guided Practice 3. Classwork A bakery can make 195 doughnuts in 3 hours. At this rate, how many doughnuts can the bakery make in 8 hours?

Questions for Example 3? Assignment Page 274 Problems 8 - 20

Lesson 6.1 Page 267 Ratios We will write ratios as fractions in simplest form We will simplify ratios involving measurements A Ratio i sa comparison of.

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