Dividing Unit Fractions by Whole Numbers

Front

What is the answer to a division problem called?

Back

Quotient

Tags

CCSS.3.OA.A.2

Front

When you divide a fraction by a whole number, the size of the pieces gets....

Back

Smaller

Tags

CCSS.5.NF.B.7C

CCSS.5.NF.B.7A

Front

What is a unit fraction?

Back

A fraction where the numerator is 1, such as 1/2, 1/3, or 1/4.

Tags

CCSS.3.NF.A.2A

CCSS.3.NF.A.1

Front

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

Back

Multiply the unit fraction by the reciprocal of the whole number.

Tags

CCSS.5.NF.B.7C

CCSS.5.NF.B.7A

Front

What is the reciprocal of a number?

Back

The reciprocal of a number is 1 divided by that number.

Front

What is 1/4 divided by 2?

Back

1/8 (because 1/4 x 1/2 = 1/8).

Tags

CCSS.5.NF.B.7C

CCSS.5.NF.B.7A

Front

If you divide 1/3 by 3, what do you get?

Back

1/9 (because 1/3 x 1/3 = 1/9).

Tags

CCSS.5.NF.B.7C

CCSS.5.NF.B.7A

Front

What happens to the value of a fraction when you divide it by a whole number?

Back

The value of the fraction decreases.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

What is the formula for dividing fractions?

Back

a/b ÷ c = a/b x 1/c.

Tags

CCSS.6.NS.A.1

Front

What is 1/5 divided by 1?

Back

1/5 (dividing by 1 does not change the value).

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1