Adding Fractions with Like Denominator Models

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 have like denominators?

Back

Like denominators mean that the denominators of the fractions are the same, which makes it easier to add or subtract them.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add fractions with like denominators?

Back

To add fractions with like denominators, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 3/4 + 1/4?

Back

4/4 or 1 (which is a whole).

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 1/4 + 1/4?

Back

2/4, which can also be simplified to 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 4/15 + 5/15?

Back

9/15.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 3/9 + 4/9?

Back

7/9.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 4/8 + 1/8?

Back

5/8.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the numerator in a fraction?

Back

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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates the total number of equal parts.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B