Multiply a whole number by a fraction

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, 16 x 1/4 means finding 1/4 of 16.

Front

How can you express 16 x 1/4 using division?

Back

You can express it as 16 ÷ 4, which equals 4.

Front

If there are 30 jump ropes and 2/5 have blue handles, how do you find the number of blue jump ropes?

Back

You multiply 30 by 2/5: 30 x 2/5 = 12.

Front

What is the equation to find how many pretzels Kenny's friends received if he shares 18 pretzels with 2 friends?

Back

The equation is 18 x 2/3 = 12, meaning his friends received 12 pretzels in total.

Front

What is the total mass of 9 cans if each can weighs 3/5 kilogram?

Back

The total mass is 9 x 3/5 = 27/5 kilograms.

Front

What is the first step in multiplying a whole number by a fraction?

Back

The first step is to multiply the whole number by the numerator of the fraction.

Front

What is the second step in multiplying a whole number by a fraction?

Back

The second step is to divide the result by the denominator of the fraction.

Front

If you have 24 apples and want to find 1/3 of them, what operation do you perform?

Back

You multiply: 24 x 1/3 = 8 apples.

Front

What is a fraction?

Back

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

Front

What does the numerator in a fraction represent?

Back

The numerator represents how many parts you have.