adding 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 the numerator in a fraction represent?

Back

The numerator is the top number of a fraction and represents how many parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number of a fraction and represents the total number of equal parts in a whole.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with the same denominator?

Back

Add the numerators together and keep the same denominator. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators. For example, 1/2 + 1/3 = 3/6 + 2/6 = 5/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

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

Back

1/2 + 1/2 = 2/2 = 1.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 2/3 + 1/3?

Back

2/3 + 1/3 = (2+1)/3 = 3/3 = 1.

Tags

CCSS.4.NF.B.3A

Front

What is the sum of 3/6 + 2/6?

Back

3/6 + 2/6 = (3+2)/6 = 5/6.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 5/12 + 5/12?

Back

5/12 + 5/12 = (5+5)/12 = 10/12.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D