Multiplying Fractions by whole numbers

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 fraction by a whole number?

Back

Multiplying a fraction by a whole number means you are taking that fraction and adding it to itself a certain number of times.

Tags

CCSS.5.NF.B.4A

Front

What is the product of 1/2 and 4?

Back

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

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is 3/4 x 2?

Back

3/2 or 1 1/2 (because 3/4 x 2 = 6/4 = 1 1/2).

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

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

Back

Convert the whole number into a fraction by placing it over 1.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is 5 x 1/3?

Back

5/3 or 1 2/3 (because 5 x 1/3 = 5/3).

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If you swim 2/5 of a mile 3 times, how far do you swim?

Back

6/5 or 1 1/5 miles (because 2/5 x 3 = 6/5).

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the result of 2 x 3/8?

Back

6/8 or 3/4 (because 2 x 3/8 = 6/8).

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What does the numerator represent in a fraction?

Back

The numerator represents how many parts of the whole are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B