2nd Grade Fractions

Front

What is a fraction?

Back

A fraction is a way to show a part of a whole. It has two numbers: the top number (numerator) shows how many parts we have, and the bottom number (denominator) shows how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the numerator represent in a fraction?

Back

The numerator is the top number in a fraction. It tells us how many parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator represent in a fraction?

Back

The denominator is the bottom number in a fraction. It tells us how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is 1/2?

Back

1/2 means one out of two equal parts. If you have a pizza cut into 2 equal slices, 1/2 is one slice.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Front

What is 3/4?

Back

3/4 means three out of four equal parts. If you have a chocolate bar divided into 4 equal pieces, 3/4 is three pieces.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with the same denominator?

Back

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

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, you subtract the numerators and keep the denominator the same. For example, 3/4 - 1/4 = 2/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same part of a whole. For example, 1/2 and 2/4 are equivalent fractions.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals. It can be zero or any positive number like 1, 2, 3, etc.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 1 1/2 is a mixed number.

Tags

CCSS.3.NF.A.3C