Dividing Whole Numbers by Unit Fractions

Front

What is dividing a whole number by a unit fraction?

Back

Dividing a whole number by a unit fraction means finding out how many times the unit fraction fits into the whole number.

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/4.

Front

How do you divide a whole number by a unit fraction?

Back

To divide a whole number by a unit fraction, multiply the whole number by the reciprocal of the unit fraction.

Front

What is the reciprocal of 1/3?

Back

The reciprocal of 1/3 is 3.

Front

Calculate: 2 ÷ 1/3

Back

2 ÷ 1/3 = 2 × 3 = 6.

Front

Calculate: 6 ÷ 1/4

Back

6 ÷ 1/4 = 6 × 4 = 24.

Front

What does the expression 3 ÷ 1/4 represent?

Back

It represents how many 1/4 pieces fit into 3.

Front

If Elsa has a plank of wood that is 3 feet long and cuts it into pieces that are 1/4 foot long, how many pieces does she cut?

Back

She cuts 12 pieces.

Front

If a pet store has 9 cats and only has 1/4 of a bag of cat food, how much food does each cat get?

Back

Each cat gets 1/36 of the bag.

Front

What is the result of dividing a whole number by a fraction greater than 1?

Back

The result will be less than the whole number.