Multiplying fractions

Front

What is a fraction?

Back

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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. The result is a new fraction.

Tags

CCSS.5.NF.B.6

Front

What is cross canceling in fraction multiplication?

Back

Cross canceling is a method used to simplify fractions before multiplying by dividing a numerator and a denominator that share a common factor.

Tags

CCSS.5.NF.B.6

Front

What is the product of 3/4 and 2/3 using cross canceling?

Back

1/2.

Tags

CCSS.5.NF.B.6

Front

What is the product of 3/4 and 1/4?

Back

3/16.

Tags

CCSS.5.NF.B.6

Front

What is the product of 3/4 and 1/2?

Back

3/8.

Tags

CCSS.5.NF.B.6

Front

What is the product of 4/5 and 5/9 using cross canceling?

Back

4/9.

Tags

CCSS.5.NF.B.6

Front

What is the product of 2/3 and 6/7 using cross canceling?

Back

4/7.

Tags

CCSS.5.NF.B.6

Front

What is the first step in multiplying fractions?

Back

Identify the numerators and denominators of the fractions you are multiplying.

Tags

CCSS.5.NF.B.6

Front

What do you do if the fractions can be simplified before multiplying?

Back

You can cross cancel to simplify the fractions before multiplying.

Tags

CCSS.5.NF.B.6