Multiplying and Dividing Rational Numbers Review

Divide.

• 0.8

• 8

• -0.8

• -8

Multiply. Write fractions in simplest form.

• -3 1/3

• -6/18

• -27/40

• 60/18

Multiply.

• 11.742

• -7.76

• -11.742

• 7.76

Divide. Write fractions in simplest form.

• 20/49

• 1/5

• -20/49

• -1/5

Multiply. Make sure your final answer is in simplest form. 

• -7/8

• 7/8

• -63/72

• 63/72

When multiplying fractions, what do you do?

• Keep Change Flip

• Find the least common denominator

• Multiply all of the numbers together

• Multiply straight across. Top x Top and Bottom x Bottom.

When you multiply a negative times a positive you get a...

• Positive

• Negative

• Zero

• Double Negative

How many digits will be behind the decimal in the product?
0.15 x 0.6

• 0

• 1

• 2

• 3

-3 3/4 ÷ 5 1/2
Make sure your final answer is in simplest form.

What is the sign of:

The quotient of two negative numbers?

• Positive

• Negative

• Zero