Chapter 4 Review (7th)

Fractions, Decimals & Percents

100

Convert .22 to a percent

22%

200

Convert 86% to a fraction IN SIMPLEST FORM

43/50

300

Convert 4/5 to a decimal

0.8

400

Which is greater?

38% or 18/50

38%

500

Complete the statements using <,>, or equal to

.57 ________57%

.42__________1/6

7/8___________5/6

equal to

greater than

greater than

Unit Rate, Constant ROC

100

Brandon bikes 8.5 miles in 1/2 hour. How far does he bike in an hour?

17 miles

200

Find the unit rate:

275 feet in 25 minutes

11 ft/min

300

Jenna drives 288 miles in 6 hours. How far does she drive in 1 hour?

48 miles

400

Are these proportionate?

8/2=16/4

yes

500

Are these proportionate?

7/8=21/24

8/13=32/36

yes

no

Solving Proportions

100

Solve:

45/81=n/27

n=15

200

9/b=27/72

b=24

300

d/42=49/147

d=14

400

Lacey took 12 quizzes over the course of 4 weeks. How many weeks will it take her to take 18 quizzes?

6 weeks

500

Aaron baked 20 cookies with 4 cups of flour. How many cups of flour does Aaron need to bake 35 cookies?

7 cups

Scientific Notation

100

Convert to scientific notation:

48900

4.89x10⁴

200

Convert to scientific notation:

0.0042

4.2x10^-3

300

Convert to standard notation:

1.5x10^-2

0.015

400

Convert to standard form:

9.5x10⁷

95000000

500

Convert to scientific notation:

4.8

Convert to standard form:

4x10⁰

4.8x10⁰

4

Misc.

100

What is 3.2+4.6?

7.8

200

What is 235/4?

58.75

300

What is (2/3) / (3/8)

16/9

400

Convert 251% to a decimal

2.51

500

What is -0.9x2.8?

-2.52