Dividing Whole Numbers by Unit Fractions

Front

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

Back

Dividing a whole number by a unit fraction is equivalent to multiplying the whole number by the reciprocal of the unit fraction.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

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 convert the division of a whole number by a fraction into multiplication?

Back

To convert the division of a whole number by a fraction into multiplication, multiply the whole number by the reciprocal of the fraction.

Front

What is the reciprocal of 1/4?

Back

The reciprocal of 1/4 is 4.

Front

Calculate: 3 ÷ 1/4

Back

3 ÷ 1/4 = 3 * 4 = 12.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

Calculate: 5 ÷ 1/2

Back

5 ÷ 1/2 = 5 * 2 = 10.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

Calculate: 5 ÷ ⅓

Back

5 ÷ ⅓ = 5 * 3 = 15.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

Calculate: 6 ÷ 1/4

Back

6 ÷ 1/4 = 6 * 4 = 24.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

Calculate: 8 ÷ 1/4

Back

8 ÷ 1/4 = 8 * 4 = 32.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What is the general formula for dividing a whole number 'a' by a unit fraction '1/b'?

Back

The general formula is a ÷ (1/b) = a * b.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C