Dividing Whole Numbers by Unit Fractions

Front

What is the result of dividing a whole number by a unit fraction?

Back

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

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 represent the division of 3 by 1/4?

Back

3 ÷ 1/4 is the same as 3 multiplied by the reciprocal of 1/4, which is 3 × 4/1 = 12.

Front

If you have 9 cats and 1/4 of a bag of cat food, how much food does each cat get?

Back

Each cat gets 1/36 of the bag of cat food.

Front

True or False: Dividing a whole number by a fraction always results in a fraction.

Back

False. The result can be a whole number.

Front

What is the expression for dividing 2 by 1/6?

Back

2 ÷ 1/6.

Front

If Jemma has 5 cups of pancake batter and uses 1/3 cup per pancake, how many pancakes can she make?

Back

Jemma can make 15 pancakes.

Front

What is the reciprocal of 1/4?

Back

The reciprocal of 1/4 is 4.

Front

How do you convert the division of fractions into multiplication?

Back

To convert division of fractions into multiplication, multiply by the reciprocal of the divisor.

Front

What does it mean to divide by a fraction?

Back

Dividing by a fraction means to find out how many times the fraction fits into the whole number.