Math REVIEW

Ratios

100

What is 10% of 50?

5

200

5 is 10% of what number?

50

300

12 is 30% of what number?

40

400

What is 80% of 40

32

500

In a survey of 800 students, 70% said they liked chocolate ice cream.  How many students like chocolate ice cream?

560

Equations/Expressions

100

x + x + x =

3x

200

Y x Y x Y x Y =

Y⁴

300

Use the Distributive Property to write an equivalent expression:

5(2n-4n) 

10n-20n

400

Use the GCF to write an equivalent expression:

12c + 42d

6(2c +7d)

500

1/4y = 100

400

Order of Operations

100

2 + 6 x 3²

56

200

3 x 4²  -2 x 6

276

300

100 - 9²  ÷ 3

27

400

75÷(100 - 75) x 2³

24

500

(100 - 2³  x 2 ÷ 4) - 6

90

Fractions/GCF and LCM

100

Change the following Improper Fraction to a Mixed Number:

38/4

9  1/4

200

What is the GCF of 12 and 40

4

300

What is the LCM of 6 and 9?

18

400

What is 1/5 of 20?

4

500

Convert 110/25 to a mixed number in simpest terms.

4 and 2/5

Converting

100

Convert the following fraction to a decimal and a percent.

1/5

.2 or .20

20%

200

Convert the following fraction to a decimal and a percent.

8/20

.4 or .40

40%

300

Convert the following decimal to a fraction (in simplest form) and a percent.

.05

1/20

5%

400

Convert the following percent to a fraction (in simplest form) and a decimal.

40%

2/5

.4 or .40

500

Convert 13m to: = _____  mm

                         = _____ cm

                         = ______km

13,000 mm

1,300 cm

.013 km