Multiply and Divide Fraction Word Problems

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to multiply fractions?

Back

Multiplying fractions involves multiplying the numerators together and the denominators together. For example, (a/b) * (c/d) = (a*c)/(b*d).

Tags

CCSS.7.NS.A.2A

Front

What does it mean to divide fractions?

Back

Dividing fractions involves multiplying by the reciprocal of the second fraction. For example, (a/b) ÷ (c/d) = (a/b) * (d/c).

Tags

CCSS.6.NS.A.1

Front

How do you find a fraction of a whole number?

Back

To find a fraction of a whole number, multiply the whole number by the numerator and then divide by the denominator. For example, to find 1/2 of 8, calculate (1*8)/2 = 4.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the first step in solving a word problem involving fractions?

Back

Read the problem carefully to understand what is being asked and identify the relevant fractions.

Tags

CCSS.7.RP.A.3

Front

How do you solve a word problem that asks for the total amount when given a fraction?

Back

Multiply the fraction by the total amount to find the part represented by the fraction.

Tags

CCSS.5.NF.B.4A

Front

What operation do you use to find out how many times a fraction fits into a whole?

Back

You use division to determine how many times a fraction fits into a whole.

Front

If Aunt Lisa made 1 1/2 cups of strawberry jelly and 4 1/2 times as much grape jelly, how do you calculate the amount of grape jelly?

Back

Multiply 1 1/2 by 4 1/2 to find the amount of grape jelly.

Tags

CCSS.5.NF.B.6

Front

What is the total distance Patty wants to run in 5 days if she runs 5/6 of a mile each day?

Back

Multiply 5/6 by 5 to find the total distance: (5/6) * 5 = 25/6 miles.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If Pete uses a scoop that holds 1/3 of a cup to fill a 2-cup bowl, how do you find the number of scoops needed?

Back

Divide the total volume of the bowl (2 cups) by the volume of one scoop (1/3 cup): 2 ÷ (1/3) = 2 * 3/1 = 6 scoops.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C