Sums of Unit Fractions

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

What does it mean to sum unit fractions?

Back

Summing unit fractions means adding fractions that have a numerator of 1, such as 1/4 + 1/4.

Tags

CCSS.4.NF.B.3A

Front

What is the sum of 1/4 + 1/4?

Back

The sum of 1/4 + 1/4 is 2/4, which simplifies to 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 1/3 + 1/3 + 1/3?

Back

The sum of 1/3 + 1/3 + 1/3 is 3/3, which equals 1.

Tags

CCSS.4.NF.B.3A

Front

How can you express 3/4 using unit fractions?

Back

3/4 can be expressed as 1/4 + 1/4 + 1/4.

Tags

CCSS.4.NF.B.3B

Front

What is the equivalent of 3/10 in terms of unit fractions?

Back

3/10 can be expressed as 1/10 + 1/10 + 1/10.

Tags

CCSS.4.NF.B.3A

Front

What is the sum of 1/2 + 1/2?

Back

The sum of 1/2 + 1/2 is 2/2, which equals 1.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How can you express 1 using unit fractions?

Back

1 can be expressed as 1/2 + 1/2 or 4/4.

Tags

CCSS.4.NF.B.3A

Front

What is the sum of 2/6 + 2/6?

Back

The sum of 2/6 + 2/6 is 4/6, which simplifies to 2/3.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 1/5 + 1/5 + 1/5 + 1/5?

Back

The sum of 1/5 + 1/5 + 1/5 + 1/5 is 4/5.

Tags

CCSS.4.NF.B.3A