Math Review (Ch. 1-4)

Decimals

100

What is 52.8+4.94?

57.74

200

What is 97.1-14.8?

82.3

300

What is 9.5 x 3.4

32.3

400

What is 325/2?

162.5

500

What is 123.4 x 100?

12340

Fractions

100

What is 1/2 x 1/8?

1/16

200

What is 2/3 x 1/2? Reduce your answer!

1/3

300

What is 1/2 divided by 1/2?

1

400

What is 1 and 1/2 x 3?

9/2 or 4 and 1/2

500

What is 1/3 + 1/4?

7/12

Factors

100

List the factors of 12

1, 2, 3, 4, 6, 12

200

List the factors of 7

1, 7

300

Which of the following are prime numbers? 1, 2, 3, 4, 5

1, 2, 3, 5

400

What is the GCF of 20 and 10?

10

500

List the factors of 49

1, 7, 49

Integers

100

Which is greater? .1 and .5

.5

200

What is the absolute value of -45?

45

300

What is the opposite of -3.5?

3.5

400

Put in order from least to greatest: 6, -1/2, 0.5, 0, 2, -1

-1, -1/2, 0, 0.5, 2, 6

500

Compare: 3.45632 and 3.45633

3.45632<3.45633

Ratios

100

Tell me an equivalent ratio to 2/9.

Multiple answers.

200

You have 4 apples and 6 oranges. What is the ratio of apples to total fruits?

4:10

300

1/3, 2/6, 3/9. What comes next?

4/12

400

Are 4/10 and 6/20 equivalent ratios?

No

500

45/9. What is the unit rate?

5/1