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 taking that fraction of the whole number. For example, 2/3 of 9 means finding 2/3 of 9.

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 same denominator. For example, 2/5 of 40 is (2*40)/5 = 80/5 = 16.

Front

What is 2/5 of 40?

Back

16

Front

What is 3/4 of 12?

Back

9

Front

If Isaac ate 3/4 of a sub, how much did Noah eat if he ate 5 times as much?

Back

Noah ate 3 3/4 subs.

Front

If Tyler ran 2/3 of a mile, how far did Maliik run if he ran 3 times as far?

Back

Maliik ran 2 miles.

Front

What is the total amount of water in 15 tide pool tanks if each tank has 6/9 gallons?

Back

10 gallons.

Front

What is the formula to find a fraction of a whole number?

Back

The formula is (Fraction) * (Whole Number) = (Numerator * Whole Number) / (Denominator).

Front

What does the numerator represent in a fraction?

Back

The numerator represents the number of parts we have.