Multiplying and Dividing Rational Numbers in the Real World

Multiplying and Dividing Rational Numbers in the Real World

Multiple Choice

If we take a NEGATIVE times a NEGATIVE, our answer will be...

• Positive

• Negative

Multiple Choice

If we take a NEGATIVE number divided by a POSITIVE number, our answer will be...

• Positive

• Negative

Multiple Choice

If we take a POSITIVE number and divide it by a POSITIVE number, our answer will be...

• Positive

• Negative

Multiple Choice

A container of rain water is evaporating at 1.2 centimeter per week. After 8 weeks what will be the change in the rain water level?

• -9.6 cm

• 9.6 cm

• -6.6 c m

• 6.6 cm

Multiple Choice

Malia has $10.00 of her allowance to spend at fall carnival. She decides to order two ice cream cones for herself and her sister. What is the change in her allowance?

• -$6.00

• $6.00

• -$4.70

• $4.70

Multiple Choice

A homeowners association charges a $3.85 fee for each day that your payment is late. If the bill is paid 13 days late, then how much will the homeowners association charge in late fees?

• $15.45

• $62.00

• $50.05

• $55.25

Multiple Choice

Dedra is making headbands to sell to her friends. Each headband requires

 $1\ \frac{7}{8}$  feet of fabric to make. If she is making 14 headbands, then how much fabric will she need to make. 

•  $14\ feet$  

•  $26\ \frac{1}{4}feet$  

•  $14\ \frac{1}{8}\ feet$  

•  $12\ \frac{5}{8}\ feet$  

Multiple Choice

What is

 $-14.5\ \div2$  

• 7.25

• -7.25

• -6.75

• 6.75

Multiple Choice

What is -4 + (-5)

Use your adding rules! (NOT multiplying and division rules!)

• 9

• -9

• 1

• -1

Multiple Choice

 $-1\ \frac{1}{3}\div\frac{1}{6}$  

•  $1\ \frac{1}{9}$  

•  $-1\ \frac{1}{9}$  

• 8

• -8

Multiple Choice

Marcus borrowed $65.50 from his brother to buy a new video game. He earned $25.00 from doing his chores and pays his brother back $25.00. How much money does Marcus still owe his brother.

• $40.50

• $90.50

• $50.00

• 65.50