Fractions of a Group

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as two numbers separated by a slash, like 1/2.

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CCSS.3.NF.A.2B

Front

What does the top number in a fraction represent?

Back

The top number is called the numerator. It shows how many parts we have.

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Front

What does the bottom number in a fraction represent?

Back

The bottom number is called the denominator. It shows how many equal parts the whole is divided into.

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Front

What is the fraction of a group?

Back

The fraction of a group shows how many parts of that group have a certain characteristic.

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Front

If there are 5 apples and 3 are red, what fraction of the apples are red?

Back

3/5

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Front

If there are 5 apples and 2 are not red, what fraction of the apples are NOT red?

Back

2/5

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Front

If there are 8 circles and 2 are purple, what fraction of the circles are purple?

Back

2/8 or 1/4 when simplified.

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Front

If there are 6 shapes and 3 are red, what fraction of the shapes are red?

Back

3/6 or 1/2 when simplified.

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Front

If there are 4 circles and 3 are blue, what fraction of the circles are blue?

Back

3/4

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CCSS.3.NF.A.2B

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its smallest form, where the numerator and denominator have no common factors.