Math Review

Decimals

100

Round to the nearest tenth:

5.67

5.7

200

Round to the nearest hundredth:

45.795

45.80

300

4.56 x 3.2

14.592

400

7.95 / .6

13.25

500

Mr. Torppey went to Walmart to buy snacks for his classes. He spent $9.95 on Doritos $11.45 on candy and $8.50 for drinks. What was his total?

If he gave the cashier a $100 bill, what would be his change?

$29.90

$70.10

Fractions

100

Simplify:

5/25

1/5

200

Simplify:

14/49

2/7

300

4/5 + 3/6

1 9/30 = 1 3/10

400

7 ÷ 2/6

21

500

2/6 x 4/5

4/15

LCM/GCF

100

LCM of:

6 & 8

24

200

GCF of:

14 & 63

7

300

LCM of:

4 & 9

36

400

GCF of:

30 & 60

30

500

LCM of:

45 & 72

9

Comparing Fraction and Decimals

100

Which is greater? How do you know?

4.137 or 4.138

4.138

200

Which is greater? Why?

7/10 or 5/10

7/10

300

Which is less? Why?

4/5 or 6/9

6/9

400

Which is less? How do you know?

54.17 or 54.71

54.17

500

Which is greater? How do you know?

.5 or 1/2

equal

Evaluate the expression

100

When x=4

3x + 7

19

200

When y=3

4x² - 6

30

300

When m=6

8m² - 8

280

400

Is the expression true when x=2?

3x³ - 9 = 16

false

500

Is the expression true when y= 3?

6y ÷ 9 = 2

true