Ratios to Percents
Probability
Random
Unit Rates
More Probability
100

Convert 5:100 to a percent.

5%

100

What is the probability (in a fraction- in lowest terms) of spinning green?

1/4

100
What is it called when one number in a ratio comparison is the number 1.

Unit rate   

100

What would the unit price be if I could by 5 large candy bars for $10.00

$2.00 per bar

100

A bag has 3 red marbles, 2 blue and 4 yellow. What is the percentage of red marbles in the bag?

~ 33%

200

Convert the ratio 4:10 to a percent

40%

200

What is the probability of spinning red in %?

About 41% or 42%

200

Comparison between two quantities.

Ratio

200

What is the unit price per egg if I can by a dozen for $6.00?

$.50 per egg

200

Find the percent: A class has 30 students. Of those 30 students, 21 chose Dr. Pepper as their drink. What percentage of the class did not choose Dr. Pepper?

30%

300

Convert the ratio 1:5  to a percent.

20%

300

Find the probability of drawing a 10 from a standard deck of 52 cards.

4/52 or about 8%

300

The process of multiplying or dividing each quantity in a ratio by the same number.

Finding equivalent ratios

300

Which is a better unit price $6.00 per dozen or 4 for $2.00?

Neither, they both have the same unit rate.

300

You flip a nickel three times.

Find the probability that all three flips will land on tails.

1/8

400

 CONVERT THE : ratio to a percent  3:8

37.5% (or 38% if you round)

400

The letters that form the word ALGEBRA are placed in a bowl. What is the sample space for this pull?

A-L-G-E-B-R or 6 letters

400
A ratio that compares a number to 100

Percent

400

Which is the better unit rate? $3.00/15 tootsie rolls, or 8.00/32 tootsie rolls?

$3.30 for 15

400

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has al probability of 1/5? 

Yellow

500

CONVERT TO A percent :  18:30

60%

500

A jar contains 4 white chips, 5 purple chips, and 1 black chip. How many options (permutations) can be made if you pull 3 random chips without replacing the chips?

720

500

A school had a concert with 275 people at it. There was a basketball game that 40% of the people at it as the concert. There was a play game that 180% of the people as the basketball game. How many people attended the play?

198 people

500

What is the unit rate? 12 shirts for 70.80?

$5.90 per shirt.

500

Yasmine spins spinner 1, then spinner 2 (see image), and flips a coin. What is the probability that she will at least 1 green on the spinners and a heads on the coin? 

4/12 or 1/3 or 33%