Multiplying and Dividing Rational Numbers

Melanie is training for a track meet. She ran 11  and 1/4 miles total, 5 days this week. How far did Melanie run each day? (First, write the problem. Then, solve). 

• 2  1/4 miles
• 56  1/4 miles
• 3 miles
• 4 miles

Tags

CCSS.5.NF.B.3

Alexandra made a rectangular quilt that measured 3 and 1⁄4 feet in length by 2 and 3⁄4 feet in width. What is the area?
Reminder: to find the area, multiply the length and width. 

• 8 and 15⁄16 square feet
• 8 and 5⁄6 square feet
• 8 and 10⁄12 square feet

Tags

CCSS.5.NF.B.4B

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

• -7/8
• 7/8
• -63/72
• 63/72

Tags

CCSS.7.NS.A.2A

-3 ³/₄ ÷ 5 ¹/₂

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

• ^-11/₂₃
• ^-15/₂₉
• -3/2 
• ^-15/₂₂

Tags

CCSS.7.NS.A.2B

Divide (it might be helpful to re-write this problem in the usual way you see dividing fractions) as 3/8 ÷ -1/7

• -21/8 or -2 ⅝

• -3/56

• 2 ⅝

• 3/56

Tags

CCSS.7.NS.A.2B

-2¼ × -5

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

• -10¼   or -41/4
• -11¼   or -45/4
• 11¼  or 45/4
• 10¼

Tags

CCSS.7.NS.A.2A

A negative divided by a positive is a ________

• positive
• negative

Tags

CCSS.3.OA.D.9

If there were 12 people at a pizza party and each person ate 1/4 of a pizza, then how many pizzas were eaten?

• 48

• 3

• 2

• 8

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

The temperature is dropping at a rate of 2½ degrees for 4¼ hours. How much did the temperature drop?

• -8 and 1/8

• -10 and 5/8

• -1 and 7/10

• -1 and 3/4

Tags

CCSS.7.NS.A.2A

Valerie bought a 9 ft piece of ribbon from which she wants to cut into 2/3 ft pieces. How many 2/3 ft pieces can Valerie cut?

• 13.5

• 6

• 9

• This is not possible.

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7