4th Grade - Multiplication of Fractions

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 (the number of parts) and 'b' is the denominator (the total number of equal parts).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to multiply fractions?

Back

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

Tags

CCSS.5.NF.B.4A

Front

What is the equivalent fraction of 4/6?

Back

2/3 is an equivalent fraction of 4/6 because both represent the same part of a whole.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you find 2/3 of a number?

Back

To find 2/3 of a number, multiply the number by 2 and then divide by 3.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

If Lizzie needs 1/3 cup of chips for one batch, how much does she need for 5 batches?

Back

Lizzie needs 5/3 cups or 1 and 2/3 cups of chips for 5 batches.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is 3 x 2/5?

Back

3 x 2/5 = 6/5 or 1 and 1/5.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you solve 3/8 of 40 problems?

Back

To solve 3/8 of 40, multiply 40 by 3 and then divide by 8. (40 x 3) / 8 = 15.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the total number of students who ride the bus if 2/3 of 24 students do?

Back

2/3 of 24 students is 16 students.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in multiplying fractions?

Back

The first step in multiplying fractions is to multiply the numerators together.

Tags

CCSS.5.NF.B.6