Ratios, Unit Rate, and Percents

Ratios

100

Write 6 girls to 8 boys as a ratio in 3 ways. (In simplest form)

3/4, 3 to 4, 3:4

200

Write 10 limes to 6 lemons as a ratio in 3 ways. (In lowest terms)

5:3, 5/3, 5 to 3

300

What are the 3 ways we write a ratio?

As a fraction, with a colon, and with the word "to"

400

If there are 6 cars and 13 trucks, what is the ratio of 

trucks:cars. 

13:6

500

Mike and Kiley are friends who share the same birthday. They decided to have a birthday party together and invited all their friends. Mike received 21 gifts while Kileyy received 12 gifts. What is the ratio of gifts for Mike to Kiley?

7:4, 7/4, or 7 to 4

Unit Rate

100

If Mimi drives 50 miles in 2 hours, what is her rate (miles per hour)?

25 miles per hour

200

If James types 120 words per 3 minutes, what is his rate of typing?

40 words per minute

300

If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?

$0.35

400

Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts

$24 for 8 t-shirts (rate of $3 per shirt)

500

If Susan spends $4.20 on 6 bags of chips, how much will she spend on 15 bags of chips?

She will spend $10.50 on 15 bags of chips.

Equivalent Ratios

100

Write an equivalent ratio for 16:32

1:2 , 32:64

200

Are 3:4 and 8:16 equivalent ratios?

No

300

Write 64:72 in simplest form.

8:9

400

If there are 3 blue cars for every 5 red cars on the highway, how many blue cars will there be if there are 150 red cars on the highway?

There will be 90 blue cars. 5 x 30 = 15, therefore 3 x 30 = 90.

500

Give three equivalent ratios for 9:12

3:4, 18:24, 27:36, 36:48, 45:60

Percents

100

Write 25% as a decimal and a fraction in simplest form.

.25 and 25/100 = 1/4

200

A score of 15/25 on a test would result in what percent?

60%

300

40% of 20

8

400

60% of 75

45

500

40% of what number is 260

650

Percent Word Problems

100

The monthly budget for the house is $900. You spent 10% of the budget on fresh flowers. How much did you spend on fresh flowers?

$90.

200

Danny just hired a new employee to work in your bakeshop. In one hour the employee burned 625 chocolate chip cookies. If this represented 25% of the day’s production, how many cookies did you plan on producing that day?

2500 cookies

300

Out of 3500 students of a school, only 30% passed. Find how many students passed.

1050 students passed.

400

Janelle made a fruit cake using bananas and apples. Forty percent of fruits are bananas. If she used a total of 120 fruits, how many apples should she use?

She should use 72 apples.

500

An LCD TV is on sale for 30% off. If the original price was $800, find the amount of the discount.

The discount is $240.