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Writing ratios
Unit rate
Better buy
Proportions
100

A ratio...

compares 2 things

100

What is a unit rate and how do you find it?

per 1 of something.  divide

100
A 6 oz juice costs $0.96 and an 8 oz bottle costs $1.12. Which is a better deal?

the 8 oz 

100

Do 16/28 and 4/6 form a proportion?

no

200
There are 12 girls and 16 boys. Write the ratio of boys to girls in simplest form

16 to 12 or 4 to 3

200

If your heart beats 300 times in 5 minutes, what is the unit rate?

60 beats per minute

200
 A 12 oz box of crackers costs $2.69 and a 16 oz box costs $3.79. Which is a better deal?

12 oz box

200

If you had 5 yellow balloons for every 7 blue balloons, how many blue balloons would you need to be proportionate to 40 yellow balloons?

56

300

A fruit stand is selling 8 bananas for $1.25. At that rate how much will 24 bananas cost?

$3.75

300

If there are 1332 calories in a bag of chips and there are 9 servings, how many calories per serving?

148 calories per serving

300

Who is driving faster: Dan who drove 300 miles in 5 hours or Jon who drove 400 miles in 7 hours?

Dan

300

Solve for x:  16/40 = 4/x

10

400

At a copy center you can make 100 copies for $4.00.  How much will it cost for 450 copies?

$18

400

If you drive 450 miles in 6 hours, how fast were you driving?

75 miles per hour

400

Who runs slower:  Polly who ran 5 miles in 42 minutes or Lacey who ran 3 miles in 25 minutes?

Lacey

400

When solving 75/12 = p/8, should p be bigger or smaller than 75?

smaller

500

If it takes you 2 minutes to type 150 words, how long would it take you to type 600 words?

8 minutes

500

If  you spend $8.22 on 6 pounds of apples, what is the unit rate per pound?

$1.37 per pound

500

Who scored more points per game:  Henry with 83 points in 9 games or Elias with 132 points in 12 games?

Elias

500

When solving 6/22 = 15/a, should a be bigger or smaller than 22?

bigger