Multiplying Fractions by Whole Numbers

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).

Front

How do you multiply a fraction by a whole number?

Back

To multiply a fraction by a whole number, multiply the numerator of the fraction by the whole number and keep the denominator the same. For example, 3 x 1/2 = 3/2.

Front

What does the numerator represent in a fraction?

Back

The numerator represents the number of parts you have.

Front

What does the denominator represent in a fraction?

Back

The denominator represents the total number of equal parts in a whole.

Front

If each student eats 1/2 a pizza and there are 18 students, how many pizzas are needed?

Back

18/2 or 9 pizzas.

Front

If each friend takes home 6/10 of a pound of slime and there are 4 friends, how much slime is needed?

Back

24/10 or 2.4 pounds of slime.

Front

What is the total weight of candy if there are 4 jars with 3/4 Ib each?

Back

12/4 or 3 Ib of candy.

Front

What does multiplying a whole number by a fraction look like?

Back

It can be represented as 'whole number x fraction', for example, 2 x 1/3.

Front

How many cups of water are in 15 bottles if each bottle holds 3/4 cup?

Back

45/4 or 11.25 cups of water.

Front

What is the first step in multiplying fractions?

Back

Multiply the numerators together.