Fractions adding and subtracting with models

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 indicates how many parts of the whole are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator in a fraction represent?

Back

The denominator shows the total number of equal parts the whole is divided into.

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 denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator for both fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If you have 1/4 + 1/4, what is the sum?

Back

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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

If you have 3/5 - 1/5, what is the difference?

Back

The difference is 2/5.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.

Front

What is 3/3 equal to?

Back

3/3 is equal to 1, which means the whole is complete.

Tags

CCSS.3.NF.A.3C