Decomposing Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists 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 decompose a fraction?

Back

To decompose a fraction means to break it down into a sum of smaller fractions, often unit fractions.

Tags

CCSS.4.NF.B.3B

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/4.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Front

How do you find the remaining part of a whole after taking a fraction?

Back

Subtract the fraction eaten from the whole. For example, if 1/5 is eaten, the remaining part is 1 - 1/5 = 4/5.

Tags

CCSS.4.NF.B.3A

Front

Decompose the fraction 1/2 into unit fractions.

Back

1/2 can be decomposed into 1/4 + 1/4.

Tags

CCSS.4.NF.B.3B

Front

What is the sum of 1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10?

Back

The sum is 6/10.

Tags

CCSS.4.NF.B.3A

Front

If you have 3/4 of a pizza and eat 1/4, how much is left?

Back

You have 2/4 or 1/2 of the pizza left.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Decompose the fraction 3/4 into unit fractions.

Back

3/4 can be decomposed into 1/4 + 1/4 + 1/4.

Tags

CCSS.4.NF.B.3B

Front

Which of the following is NOT a way to decompose 9/12? 4/12 + 4/12 + 1/12, 8/12 + 1/12, 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12, 7/12 + 1/12 + 2/12.

Back

7/12 + 1/12 + 2/12 is NOT a valid decomposition.

Tags

CCSS.4.NF.B.3B

Front

What is the fraction of a whole if you have 5/8 left after eating some?

Back

You have 5/8 of the whole remaining.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B