Multiplying Fractions by Whole Numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to multiply a fraction by a whole number?

Back

Multiplying a fraction by a whole number means you are taking that fraction and adding it to itself a certain number of times.

Front

How do you multiply a fraction by a whole number?

Back

To multiply a fraction by a whole number, multiply the numerator by the whole number and keep the denominator the same.

Front

What is 1/2 of 18?

Back

1/2 of 18 is 9.

Front

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

Back

18 students x 1/2 pizza each = 18/2 = 9 pizzas.

Front

What is 3/4 of 15?

Back

3/4 of 15 is 45/4 or 11.25.

Front

If a water bottle holds 3/4 cup and you use 15 bottles, how much water do you have?

Back

15 bottles x 3/4 cup each = 45/4 cups.

Front

What is 6/10 multiplied by 4?

Back

6/10 x 4 = 24/10.

Front

How do you simplify the fraction 24/10?

Back

24/10 can be simplified to 12/5.

Front

What does the expression 2 x 1/5 represent?

Back

It represents taking 2 parts of 1/5 each.