Ratios
Rates and Unit Rates
Proportions
Fractions, Decimals, and Percents
Solving Percent Problems
100
Write the ratio 3:5 in two other ways
3/5 and  3 to 5
100
Unit rate means how much for ______ item
1
100
A proportion is two _____________ ratios.
equal
100
Change 35% to a fraction and decimal
7/20 and 0.35
100
What number always appears in the percent proportion?  Why?
100 because percent means out of 100
200
Write three equivalent ratios for 3 to 5
Answers vary, but could include 6 to 10, 9 to 15, and 12 to 20
200
Mrs. Becker drove 248 miles in 4 hours.  Find her unit rate.
62 miles per hour
200
Is the following a proportion?  Explain your reasoning.


12/18    =     9/15

No, cross products are not the same
200
Change 0.8 to a fraction and percent
4/5 and 80%
200
Find 30% of 80
24
300
Write the ratio for classical to rock CD's sold at the store

Classical 4

Jazz 3

Country 9

Rock 10

Pop 14

2 to 5
300
Kasey earned $470 for working 40 hours last week.  Find Kasey's unit rate.
$11.75 per hour
300

Find the missing value in the proportion.

24/30 = 16/n


20
300
Change 19/25 to a percent and decimal
0.76 and 76%
300
30 is 250% of what number?
12
400
The table shows the wait time for different groups at a restaurant.  Predict how long a group of 8 will wait.
24 minutes
400

Mason earned $1020 for working 40 hours at Best Buy. What is Mason's hourly earnings?


$25.50
400

Find the missing value in the proportion.

7/8 = n/60

52.5
400
Which is greater?  Explain


0.6   or   6%

0.6 is greater because it equals 60%
400
What percent of 96 is 36?
37.5%
500
The table shows the cost for different sized groups to attend a movie.  Predict how much a group of 15 will pay.
$78.75
500

An 8 oz. package of pretzels costs $1.92 while a 12 oz. package costs $2.64. Which is the better deal? Explain your reasoning.

12 oz. package for $2.64 because it only costs $0.22 for 1 oz. and the 8 oz. package costs $0.24 for 1 oz.

500

Show how you would set up a proportion to solve the following problem:

Katie read 135 pages in 45 minutes before bed last night.  She has 180 pages left in her book.  How long will it take her to read the rest of her book, assuming she reads at the same rate as last night?

60 minutes
500
Put the values in order from LEAST to GREATEST


1/8 ,  18%  , 0.1

0.1,  1/8,  18%
500
A t-shirt at American Eagle costs $25.  Tim paid the cashier $27.05 for it including the tax.  What is the sales tax rate?
8.2%
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