Pre-Algebra - CH 5

LCM

100

What is the LCM of 6 and 16?

48

200

What is the LCM of 9y and 15z?

45yz

300

What is the LCM of 8m² and 14m⁴?

56m⁴

400

What is the LCM of 25y² and 15x?

75xy²

500

What is the LCM of 12a, 15b² and 18c?

180ab²c

Decimals/Fractions

100

What is 3/4 as a decimal?

0.75

200

What is 2.32 as a mixed number is simplest form?

2 8/25

300

What is 0.72 repeating as a fraction in simplest form?

8/11

400

What is 14 9/20 as a decimal?

14.45

500

Put these rational numbers in order from least to greatest:  3/2,  2/5,  6/5,  0.06.

0.06,  2/5,  6/5,  3/2

Add/Subtract

100

Find the sum in simplest form:         

1/8 + 3/8

1/2

200

Find the difference in simplest form:             

1/8 - 5/6

-17/24

300

Find the difference in simplest form:       

5 2/9 - 3 1/6

2 1/18

400

Find the sum in simplest form:      

3/4 + 3/8 + 1/4

1 3/8

500

Find the difference in simplest form:      

1 7/8 - 2 3/4

-7/8

Mult/Divide

100

Find the product in simplest form: 

(3/7) ^. (4/5)

12/35

200

Find the product in simplest form: 

(9/15) ^. (-5/9)

-1/3

300

Find the product in simplest form:  

(2/3) ^. (1 2/7)

6/7

400

Find the quotient in simplest form: 

-1/4 divided by 1/2.

-1/2

500

Find the quotient in simplest form: 

1 4/5 divided by -1 1/2.

-1 1/5

Converting Measurements

100

5 quarts = _______gallons

1 1/4 gallons

200

14 ounces = _______ pounds

7/8 pounds

300

3 1/2 yards = ______ feet

10 1/2 feet

400

1 5/8 pounds = ______ ounces

26 ounces

500

10 1/2 pounds = ______ ounces

168 ounces