Ratios, Rates and Unit Rates. A 24 ounce soda for $6.00 A 16 ounce soda for $4.80 or.

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Presentation transcript:

Ratios, Rates and Unit Rates

A 24 ounce soda for $6.00 A 16 ounce soda for $4.80 or

apples 3 oranges 2 apples 5 fruit =

AccessoriesHow many Sunglasses25 Earrings30 Wigs45 Scarves35 Shoes50

A rate is a special ratio, compares 2 quantities that have different units of measure  You buy 3 shirts for $9.00  You buy 16 gallons of gas for $64  Sue drove 100 miles in 2 hours  There are 600 calories for 3 servings $ shirts $ gal 100 mi 2 hr 600 cal 3 serv Units: Dollars and shirts Units: Dollars and gallons Units: Miles and hours Units: Calories and servings

 $9 for 3 shirts  16 gallons of gas for $64  Sue drove 100 miles in 2 hours  600 calories for 3 servings RateUnit Rate A unit rate is a special rate comparing something to ONE unit only  How much for 1 shirt?  How much for 1 gallon?  How many miles in 1 hour?  How many calories for 1 serving?

 $9 for 3 shirts Rate Unit Rate  How much for 1 shirt? $ 9 3 shirts _____ 1 shirt = ÷3 $3

 16 gallons of gas for $64 Rate Unit Rate  How much for 1 gallon? $ gallons ______ 1 gallon = ÷16 $4

 100 miles in 2 hours Rate Unit Rate  How many miles in 1 hour? 100 miles 2 hours miles 1 hour = ÷2 50

 600 calories in 3 servings Rate Unit Rate  How many calories in 1 serving? 600 cal 3 servings cal 1 serving = ÷3 200

A 24 ounce soda for $6.00 A 16 ounce soda for $4.80 or Find the unit rate for each scenario ___ 1 oz ÷24 $6 24 oz ____ 1 oz ÷16 $ oz $0.25 $0.30 = =

2 ice cream cones for $ ice cream cones for $7.00 or Find the unit rate for each scenario ___ 1 cone ÷2 $ cones ____ 1 cone ÷4 $ cones $1.50 $1.75 = =

Hummer gets 60 miles per 5 gallons of gas Camry gets 45 miles on 3 gallons of gas or Find the unit rate for each scenario ___ 1 gal ÷5 60 mi 5 gal ____ 1 gal ÷3 45 mi 3 gal 12 mi 15 mi = =

John makes $160 for 20 hours of work Jill makes $136 for 16 hours of work or Find the unit rate for each scenario ___ 1 hr ÷20 $ hrs ____ 1 hr ÷16 $ hr $8.00 $8.50 = =