5th M Ch. 9 Multiplying Fractions

Fraction by Whole Number

100

1/3 X 5

What is 5/3 OR 1 2/3

200

1/2 X 4

What is 2

300

2/3 x 4

What is 8/3 OR 2 2/3

400

4/5 X 10

What is 8

500

12 X 3/4

What is 9

Fraction by Fraction

100

5/6 X 5/6

What is 25/36

200

1/3 X 2/7

What is 2/21

300

4/5 X 7/8

What is 7/10

400

7/9 x 5/7

What is 35/63

500

3/8 X 7/9

What is 21/72

Word Problems

100

In Anna's grade, 2/3 of the students have a sister. Of the students who have a sister, 1/2 also have a brother. What fraction of the students in Anna's grade have both a sister and a brother? Simplify your answer and write it as a proper fraction or as a whole or mixed number.

What is 1/3

200

Justin operates an orange juice stand. On Monday he used 3/4 of a bag of oranges. On Tuesday he used 1/10 as many oranges as on Monday. How many bags of oranges did Justin use on Tuesday? Simplify your answer and write it as a proper fraction or as a whole or mixed number.

What is 3/40

300

The elephants at the Norfolk Zoo are fed 1/2 a barrel of corn each day. The buffalo are fed 7/10 as much corn as the elephants. How many barrels of corn are the buffalo fed each day? Simplify your answer and write it as a proper fraction or as a whole or mixed number.

What is 7/20

400

You walk 4/5 mile each day for 10 days. How many miles do you walk altogether?

What is 8 miles

500

At Sweet Tarrant School, 3/4 of the students play an instrument. Of the students who play an instrument, 2/7 play a string instrument. What fraction of the students at Sweet Tarrant School play a string instrument? Simplify your answer and write it as a proper fraction or as a whole or mixed number.

What is 3/14

Mixed Numbers

100

3  1/4   x   4  2/5

What is 143/10 or 14  3/10

200

4  2/3   x   1  3/8

What is 77/12 or 6  5/12

300

3  1/4  x  3  5/6

What is 299/24 or 12  11/24

400

2  2/5  x  1  3/10  x  2  1/2

What is 39/5 or 7  4/5

500

(4  2/3  +  2  9/10)  x  3  1/5 

What is 1816/75  or  24  16/75

Random

100

9/10 x (7/8 - 3/4)

What is 9/80

200

3 x (2/5 x 1/10)

What is 3/25

300

Find the area of a rectangle that has a length of 4/6 yards and a width of 3/4 yards.

What is 1/2 square yards

400

You swim 13/3 laps each day for 2 days. Your friend swims 9/4 laps each day for 3 days. Who swims the farther distance? How much farther?

Who is you by 1 11/12 laps

500

You run 9/4 miles each day for 3 days. Your goal is to run at least 8 miles. Do you meet your goal?

What is no