Fraction Basics

Front

What is a fraction?

Back

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

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CCSS.3.NF.A.1

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.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is 1/2 in words?

Back

One half.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

Front

What is 1/4 in words?

Back

One fourth.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

Front

If Maria has 1/4 of a pizza left, what fraction shows how much she ate?

Back

She ate 3/4 of the pizza.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What fraction is represented by 3 shaded parts out of 5?

Back

3/5.

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean for a shape to be divided into equal parts?

Back

It means each part is the same size.

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CCSS.1.G.A.3

Front

If a shape is not divided into equal parts, what can we say about it?

Back

It is not a proper fraction.

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the fraction for one whole?

Back

1/1 or just 1.

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CCSS.3.NF.A.3C