Multiplying fractions (using models)

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to multiply fractions?

Back

Multiplying fractions means finding a part of a part. You multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.4A

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common factor (GCF).

Front

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

Back

1/2 x 3/4 = 3/8.

Tags

CCSS.5.NF.B.6

Front

What is the product of 2/3 and 3/5?

Back

2/3 x 3/5 = 6/15, which simplifies to 2/5.

Tags

CCSS.5.NF.B.6

Front

How do you use a model to multiply fractions?

Back

You can use area models or number lines to visually represent the multiplication of fractions.

Tags

CCSS.5.NF.B.4A

Front

What is the first step in multiplying fractions?

Back

The first step is to multiply the numerators together.

Tags

CCSS.5.NF.B.6

Front

What is the second step in multiplying fractions?

Back

The second step is to multiply the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is 2/7 multiplied by 1/2?

Back

2/7 x 1/2 = 2/14, which simplifies to 1/7.

Tags

CCSS.5.NF.B.6

Front

If Grandma uses 2/3 cup of chocolate chips for one batch, how much will she use for 3 batches?

Back

For 3 batches, she will use 2/3 x 3 = 2 cups of chocolate chips.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B