Review Unit 4: Percents

Convert

100

Question 1

0.29

200

Question 2

7/20

300

Question 3 AND 5

208% AND 17/20

400

Question 4

0.058

500

Question 6

83%

Compare

100

Which one is bigger? Compare answers to question 2 and question 5.

Question 5 --> 17/20

200

Which one is smaller? Compare answers to question 1 and question 2.

Question 1 --> 0.29

300

Question 7

8/15

400

How do you compare a decimal and a percent?

Convert so both are percents.

OR

Convert so both are decimals.

500

How do you compare 2 fractions?

Make equivalent fractions with common denominators.

OR

Convert both to be decimals or both percents.

Percent Problems

100

What is your favorite method to solve percent problems, AND show the setup/formula?

(where do you put part, whole, percent, decimal, etc.)

Equation: (% as dec.) x whole = part

Propotion: is/of = %/100

Triangle: part

      whole    % as dec

200

DO NOT CALCULATE:

If I ask "34 is 23% of what?", what am I finding?

(part, whole or percent)

Whole

300

Question 8

2.8

400

Question 10

13.33

500

Question 9

13.33%

Percents & Changes

100

What is 64% as a decimal?

0.64

200

What is 7.1% as a decimal?

0.071

300

What is 0.0096 as a percent?

0.96%

400

Question 11

71.43%

500

Question 12

38.24%

Tax Tip Discounts

100

Question 13a

$26

200

Question 13b

$39

300

Question 14a AND b

(separate answers)

$3.50

$17.50

400

How much would you pay if you pay 5.5% tax on the shoes in question 13?

$41.15

500

If there are 5 people (including you) in your group in question 14, how much would you pay if you have 10% off of your final bill?

$3.15