Multiplying and Dividing Rational Numbers

A railroad construction crew can lay 1 1/4 mile of track in one day. At that rate, how many days will it take to lay 10 miles of track?

• 8 days

• 12 1/2 days

Tags

CCSS.7.RP.A.1

Charlotte collected 3 3/5 pounds of newspaper for the recycling drive. Anthony collected 7 times as much newspaper as Charlotte. How many pounds of newspaper did Anthony collect?

• 17 lbs

• 25 1/5 lbs

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

If 2/3 of a cake is divided equally among 4 people, how much cake will each person get?

• 1/4

• 1/3

• 1/2

• 1/6

Sara has 3/4 of a pizza and she wants to share it equally among 5 friends. How much pizza will each friend get?

• Each friend will get 3/4 ÷ 5 = 3/20 of a pizza.

• Each friend will get 3/4 ÷ 5 = 3/10 of a pizza.

• Each friend will get 3/4 ÷ 5 = 3/25 of a pizza.

• Each friend will get 3/4 ÷ 5 = 3/15 of a pizza.

Find the product of the two numbers.

• -43.68

• -4.368

• 40.5

• 43.68

Tags

CCSS.7.NS.A.2A

Find the product of the numbers.

• 12/12

• 1

• -1

• -9

Tags

CCSS.7.NS.A.2A

Choose the correct answer in simplest form.

• -²/₆

• -¹/₃

• ²/₃

• ¹/₃

Tags

CCSS.7.NS.A.2A

Find the product. 

• 2/14

• 1/49

• 2/7

• 1/14

Tags

CCSS.5.NF.B.6

A cookie factory uses 3/8 of a barrel of oatmeal in each batch of cookies. The factory used 1 1/2 barrels of oatmeal yesterday. How many batches of cookies did the factory make?

• 9 batches

• 4 batches

Tags

CCSS.6.NS.A.1

Find the product.  Then, simplify.

• 2/24

• 3/24

• 1/12

• 3/16

Tags

CCSS.5.NF.B.6