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Ratios
Ratios This / That
Proportional or Not?
Solving equivalent ratios / Proportions
Unit Rate
100

A ratio is a ___________ between two or more numbers.

Relationship or Comparison

100
For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold? Give 3 equivalent (proportional) ratios.
5 to 4
100

2/3 and 4/6

Yes scaling up by a factor of 2. 2x2=4 and 3x2=6

100

What value of x makes these ratios equivalent?
x:6 = 6:9

What is 4

100

What is a unit rate?

A ratio comparing 2 different things set over 1

200

Write 11 limes to 6 lemons as a ratio in 3 ways.

11:6, 11/6, 11 to 6

200

All ratios are fractions. True or False?

False: All fractions ARE Part-to-Whole ratios, but Part-to-Part ratios are not fractions.

200

1/6 and 2/7

Not Proportional Using a scale factor of 2, 1x2= 2 6x2= 12 (not equivalent to 7)

200

What value of x makes these ratios equivalent?
x/12 = 9/36

What is 3

200

If five scoops of ice cream costs $10.00, how much is is then for one scoop?

What is $2.00?

300

To find an equivalent ratio you _________ or ________ both numbers in a ratio by the same thing.

multiply; divide

300

There are 3 pineapples and 5 bananas. What is the ratio of bananas to total fruit?

5:8

300

6/8 and 9/12

Yes 6/8= 3/4 9/12= 3/4

300

What value of x makes these ratios equivalent?
x/6 = 8/12

What is 4

300

Martha runs 3 miles in 25 minutes. How long does it take Martha to run one mile if she is at a constant speed?

8.33 minutes

400

What are the three types of ratios?

Part-to-Whole, Whole-to-Part, and Part-to-Part

400

What are unit rates?

They are rates per one unit.

400

5/10 and 4/8

yes 5/10 = 1/2 4/8= 1/2

400

What value of x makes these ratios equivalent?
6/10 = 18/x

What is 30

400

Hy Vee is selling 12 oz of bacon for $15.99 and Baker's is selling 20 oz of bacon for $24.99. Determine the unit rate for each store and which is the better buy.

Baker's: $1.25 per oz

Hy Vee: $1.33 per oz

Baker's is the better buy.

500

What two operations will produce equivalent ratios?
A. Adding

B. Subtracting

C. Multiplying

D. Dividing

What is C, D Multiplying and Dividing

500

Write 3 equivalent ratios.

Answers will vary, must be confirmed by opposing player (if playing against someone)

500

9/20 and 3/10

Not proportional, 20 scales down by 2 to 10, but 9 divided by 2 is not 3.

500

What value of x makes these ratios equivalent?
3:8 = 15:x

What is 40.

500
A box of chips is $13.99. If the box holds 15 bags, how much is one bag?

$0.93 per bag