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

How do you add unit fractions with the same denominator?

Back

To add unit fractions with the same denominator, you add the numerators together and keep the denominator the same. For example, 1/4 + 1/4 = (1+1)/4 = 2/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number of a fraction that indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the numerator in a fraction?

Back

The numerator is the top number of a fraction that indicates how many parts of the whole are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

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

Back

The sum is 3/3, which can also be simplified to 1.

Tags

CCSS.4.NF.B.3A

Front

How can 3/4 be expressed as a sum of unit fractions?

Back

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

Tags

CCSS.4.NF.B.3B

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different, such as 1/2 and 2/4.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you find a common denominator for adding fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions you want to add.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process for subtracting fractions with different denominators?

Back

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2