Dividing Unit Fractions by Whole Numbers

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.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Front

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

Back

To divide a unit fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/3 ÷ 3 = 1/(3*3) = 1/9.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

What is the result of 1/3 ÷ 4?

Back

1/3 ÷ 4 = 1/(3*4) = 1/12.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

If you have 1/6 of a pizza and 3 people want to share it, how much does each person get?

Back

1/6 ÷ 3 = 1/(6*3) = 1/18.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

What does it mean to share a fraction equally among a group?

Back

Sharing a fraction equally means dividing the fraction by the number of people in the group.

Tags

CCSS.5.NF.B.3

Front

What is 1/9 divided by 3?

Back

1/9 ÷ 3 = 1/(9*3) = 1/27.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

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

Back

1/4 ÷ 9 = 1/(4*9) = 1/36.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

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

Back

The formula is: a/b ÷ c = a/(b*c), where a/b is the fraction and c is the whole number.

Tags

CCSS.6.NS.A.1

Front

What is 1/4 ÷ 3?

Back

1/4 ÷ 3 = 1/(4*3) = 1/12.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

How can you visualize dividing a unit fraction by a whole number?

Back

You can visualize it by drawing a shape (like a pizza) and dividing it into equal parts.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C