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

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, based on the whole number.

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.

Front

What is 1/3 multiplied by 9?

Back

3 (because 1 x 9 = 9 and the denominator remains 3, so 9/3 = 3).

Front

If Emily serves 1/3 pint of ice cream to each of her 9 friends, how much ice cream does she need?

Back

3 pints (1/3 x 9 = 3).

Front

What is the formula for finding a fraction of a whole number?

Back

The formula is: (Fraction) x (Whole Number) = (Result).

Front

What is 2/3 of 18 gallons?

Back

12 gallons (because 2 x 18 = 36 and 36/3 = 12).

Front

If Fred used 2/3 of his gas tank, how much gas is left in an 18-gallon tank?

Back

6 gallons (18 - 12 = 6).

Front

What is 2/5 of 2 hours?

Back

4/5 hours (because 2 x 2 = 4 and the denominator remains 5, so 4/5 hours).

Front

How do you convert hours into minutes?

Back

Multiply the number of hours by 60 (1 hour = 60 minutes).