Multiplying Whole Number by Fraction

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 whole number by a fraction?

Back

Multiplying a whole number by a fraction means finding a part of that whole number. For example, 3 x 1/5 means finding 1/5 of 3.

Front

How do you multiply a whole number by a fraction?

Back

To multiply a whole number by a fraction, multiply the whole number by the numerator and then divide by the denominator. For example, 3 x 1/5 = (3 x 1) / 5 = 3/5.

Front

What is the result of 3 x 1/5?

Back

3/5.

Front

What is the result of 12 x 1/3?

Back

4.

Front

If a recipe calls for 2/3 of a cup of an ingredient and you triple the recipe, how much do you need?

Back

You need 2 cups.

Front

What is the result of 5/6 x 12?

Back

10.

Front

If Jamie feeds his 2 dogs 2/3 cup of food each day, how much food does he need for 6 days?

Back

8 cups.

Front

What is the formula for multiplying a whole number by a fraction?

Back

Whole number x (Numerator/Denominator) = (Whole number x Numerator) / Denominator.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.