multiplying whole numbers by fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to multiply a whole number by a fraction?

Back

Multiplying a whole number by a fraction means finding a part of that whole number based on the fraction's value.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

How do you multiply a whole number by a fraction?

Back

Multiply the whole number by the numerator of the fraction, then divide by the denominator.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is 3/4 of 8?

Back

6

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If one lap around the track is 1/6 of a mile, how many miles are in 8 laps?

Back

1 and 2/6 miles.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the expression for 6 times 1/5?

Back

6 x 1/5.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

What is 4/5 of 45?

Back

36

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is 5/8 of 80?

Back

50

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the first step in multiplying a whole number by a fraction?

Back

Multiply the whole number by the numerator of the fraction.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What do you do after multiplying the whole number by the numerator?

Back

Divide the result by the denominator of the fraction.