Ratios
Ratios This / That
Proportional or Not?
Solving equivalent ratios / Proportions
Random
Percentages
Probability
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

 3/4 as a decimal

What is 0.75

100

Percent means of what number? 

100

100
  • A red car, a blue car, a green car, and a purple car all pull out of a garage at the same time. The pull out of the garage one after the other until all four cars have emptied the garage. The red car was followed by the purple car who was followed by the green car who was followed by the blue car. If there are 3 people inside of each car, and one of the people in the four cars won a sweepstakes for a new car, what is the probability that the person would be in the brown car?

0:x

200

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

11:6, 11/6, 11 to 6

200

All ratios are actual fractions that show a part of a whole. 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

4.049 as a fraction

What is

4 49/1000

?

200

When converting a decimal to a percent, you must move the decimal _______ spaces to the right. 

2

200
  • A magician is performing in front of a live audience. He is performing card tricks to attempt to fool the audience. There are 51 audience members. He gives each one of them a different card. He keeps the remaining cards for himself. If there was only one card remaining, what is that he will have either a heart or diamond card? Remember, there are four suits to a deck of cards.

1:2

300

What is another word for "equivalent"?

Proportional

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

73% as a decimal

What is 0.73?

300

When converting a percent to a decimal, you must move the decimal ______ spaces to the left. 

2

300

There are 54 total marbles in a bag. If  of them are red, 36 of them are blue, and the rest are orange. What is the probability of selecting a red marble at random from the bag?

1:9

400

There are 34 boys and 35 girls in the 5th grade at the Swanson School for Short Stops. If 14 of the boys were wearing hats, and 23 girls were not wearing hats, what is the ratio of girls to boys that were not wearing hats?

What is 23:20?

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

275% of 18 

What is 49.5?

400

What is  5/15 written as a percent? 

33.bar3 %

400

There are 6 red cars, 7 blue cars, and 2 white cars. What is the probability of the third car being white, if the first car was red and the second car was white?

1:13

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

Mrs. Luke was in 55th place in the final Survivor listings. If there were 13,000 contestants, what percentage of contestants did she place better than? (round to the nearest tenth of a percent)

What is 99.6%?

500

What percent of 230 is 92?

40%

500

There are 6 red cars, 7 blue cars, and 2 white cars. What are the odds of a blue or white car being third, if the first two cars were blue and red?

8/5

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