Multiplying Fractions

Multiplying Fractions

100

3/5 x 1/4

3/20

200

11/12 x 3/4

33/48

300

5 1/2 x 3/8 

33/16

400

Trey drinks 1/3 of a liter of water each hour. If he drinks for 2/5 of an hour, how much water does he consume?

2/15 liters of water

500

McKenzie, Oliver, Kennedy, and Kohen are driving to a concert. Their car travels 3/10 of a mile in 2/5 of an hour. How far will their car travel in that time?

6/50 miles

Multiplying Fractions (Simplify)

100

5/6 x 2/3

5/9

200

5/6 x 18/25

3/5

300

2 1/3 x 3/4

7/4

400

Max made 2/3 of his free throws during a basketball game. If he attempted 3/5 of his total free throws, what fraction of his total attempts did he make?

2/5 of his total attempts

500

Molly uses 5/6 of a gallon of paint to paint one wall. If she needs to paint 2/3 of that wall for touch-ups, how much paint will she use?

5/9 gallons of paint

Rules of Multiplying Fractions

100

What is the first step when multiplying fractions?

Multiply the numerators together.

200

What is the second step when multiplying fractions?

Multiply the denominators together.

300

What is the third step when multiplying fractions?

Simplify the product/fraction. 

400

How do you convert a mixed number to an improper fraction?

Ex. 3 2/5

17/5

1. Multiply the whole number by the denominator.
2. Add the numerator to the product.
3. Write the sum over the original denominator. 

   
   

   
   

   
   

   
   

500

How do you convert an improper fraction to a mixed number?

Ex. 7/4

1 3/4

1. Divide the numerator by the denominator
2. Keep the whole number part of the quotient
3. Write the remainder as the numerator over the original denominator
4. Write the answer with the whole number in front of the fraction. 

Multiple Step Problems

100

Alana and Aubrey decide to make chocolate chip cookies. Their recipe requires 2/3 cup of sugar. If they want to make 3/4 of the recipe, and they decide to double the amount of sugar, how much sugar will they need?

1 cup of sugar

200

Walter, Gavin, and Parker decide to make a cake for the class. Their recipe requires 3/4 cup of sugar. If they want to make 2/3 of the recipe, but then decide to add an additional 1/4 cup of sugar for sweetness, how much sugar will they use in total? 

3/4 cups of sugar

300

Josh and Colton have been assigned to water the school garden. They use 2/5 of a gallon of water for one section of the garden. If they water 3/4 of that section and decide to double the amount used for watering, how much water will they use in total? 

3/5 gallons of water

400

Ari decides to knit a scarf. This project requires 9/4 yards of yarn for one scarf. If she wants to make 3/2 scarves, how much yarn will you need? 

27/8 yards of yarn

500

Brayden, Aiden, Teegan, and Xavn ride the bus to school everyday. The bus travels 1 1/4 miles in one stop. If it makes 5/6 of that stop during a route, how far does it travel? 

1 1/24 miles

Random

100

How many pets does Miss. Mayden have?

2

200

What is Mrs. Minegar's favorite color?

Pink

300

How many siblings does Miss. Mayden have?

1

400

How many students are at Beiger Elementary School?

546 students

500

What year did Mishawaka Schools begin?

1834