Fractions of a set

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

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Front

What does the top number in a fraction represent?

Back

The top number, called the numerator, represents how many parts we have.

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Front

What does the bottom number in a fraction represent?

Back

The bottom number, called the denominator, represents the total number of equal parts in the whole.

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you find a fraction of a set?

Back

To find a fraction of a set, multiply the total number of items by the numerator and then divide by the denominator.

Front

What fraction represents 2 out of 5 equal pieces?

Back

2/5

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Front

If a set has 10 items and 2 are red, what fraction represents the red items?

Back

2/10 or simplified to 1/5.

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CCSS.3.NF.A.2B

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Front

What is the fraction of shaded areas if 4 out of 6 parts are shaded?

Back

4/6 or simplified to 2/3.

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Front

If you eat 3 out of 9 slices of pizza, what fraction of the pizza did you eat?

Back

3/9 or simplified to 1/3.

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CCSS.3.NF.A.2B

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Front

What fraction represents the part of a whole that is not shaded?

Back

It is calculated by subtracting the shaded fraction from 1.

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CCSS.3.NF.A.2B

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Front

If there are 16 cupcakes and 4 are pink, what fraction represents the pink cupcakes?

Back

4/16 or simplified to 1/4.

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CCSS.3.NF.A.2B

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