Dividing Unit Fractions ( 5.3L)

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 fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/3 ÷ 4 = 1/(3*4) = 1/12.

Front

What is the result of 1/2 ÷ 2?

Back

1/4

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

How many one-fourth cup servings are in 2 cups?

Back

8 servings.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What is the formula for dividing fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor. For example, a/b ÷ c/d = a/b * d/c.

Tags

CCSS.6.NS.A.1

Front

What is 1/3 ÷ 3?

Back

1/9

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

If you have 5 cans of paint and need 1/4 can per room, how many rooms can you paint?

Back

20 rooms.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What is 1/6 ÷ 2?

Back

1/12

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

How do you find the number of servings in a whole when given a unit fraction?

Back

Divide the whole by the unit fraction. For example, 6 ÷ (1/3) = 6 * 3 = 18 servings.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What is the result of 1/5 ÷ 5?

Back

1/25

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C