Problem Solving with Fractions

Susan's homework was to practice the piano for  $\frac{3}{4}$ of an hour each night. How many minutes each night did she practice?

• 30 minutes

• 15 minutes

• 45 minutes

• 60 minutes

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Three fifths of the 30 students are boys.  How many students are girls?

• 12

• 18

• 6

• 8

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Walking at a steady pace, Ella walked 11 miles in 3 hours.  Which answer choice shows how many miles she walked in an hour?

•  $\frac{2}{3}$  

•  $2\frac{2}{3}$  

• 3

•  $3\frac{2}{3}$  

Tags

CCSS.5.NF.B.3

Arther had one dollar.  He spent 75 cents of that dollar.  What fraction of his whole dollar did he spend?

•  $\frac{1}{2}$  

•  $\frac{3}{4}$  

•  $\frac{1}{4}$  

•  $\frac{2}{4}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

In science class we discovered that  $\frac{7}{8}$ of an apple is water.  What fraction of the apple is not water?

•  $\frac{1}{6}$  

•  $\frac{1}{7}$  

•  $\frac{7}{8}$  

•  $\frac{1}{8}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

There were 20 pumpkins in a garden.  One fourth of the pumpkins were too small, one tenth were too large, and one half were just the right size.  The rest were not ripe yet.  How many of the pumpkins were too small?

• 3

• 2

• 5

• 10

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Timothy decided to clean out his closet by donating some of his 45 button-down shirts.  He gave away 9 shirts.  What fraction of the shirts did he give away?

•  $\frac{1}{5}$  

•  $\frac{1}{9}$  

•  $\frac{1}{2}$  

•  $\frac{36}{45}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Lindsey wants a new bike that costs $230.  Her father said that if she saves up  $\frac{3}{10}$  of the cost, he will pay the rest.  How much money does Lindsey need to save?

• $23

• $30

• $69

• $72

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

There are 32 students in Mr. Duff's class.  If 4 come to after school tutoring, what fraction of the class comes to after school tutoring?

•  $\frac{28}{32}$  

•  $\frac{1}{8}$  

•  $\frac{1}{4}$  

•  $\frac{2}{8}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Mike is buying a pair of jeans.  They normally cost $45 but they are on sale for  $\frac{1}{5}$  off the original price.  How much will Mike pay for the jeans (not including tax)?

• $9

• $43

• $25

• $36

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C