Fractions: halves, fourths, eighths

Front

What is a fraction?

Back

A fraction is a way to show a part of a whole. It has a top number (numerator) and a bottom number (denominator).

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Front

What does the top number in a fraction represent?

Back

The top number, called the numerator, shows 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, shows how many equal parts the whole is divided into.

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Front

What is one-half?

Back

One-half means that something is divided into 2 equal parts, and we have 1 of those parts.

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CCSS.1.G.A.3

Front

What is one-fourth?

Back

One-fourth means that something is divided into 4 equal parts, and we have 1 of those parts.

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CCSS.1.G.A.3

Front

What is three-fourths?

Back

Three-fourths means that something is divided into 4 equal parts, and we have 3 of those parts.

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Front

What is one-eighth?

Back

One-eighth means that something is divided into 8 equal parts, and we have 1 of those parts.

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Front

If a pizza is cut into 4 pieces and 3 pieces are eaten, what fraction of the pizza is left?

Back

1/4 of the pizza is left.

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Front

If a rectangle is divided into 2 equal parts and one part is shaded, what fraction is shaded?

Back

1/2 of the rectangle is shaded.

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CCSS.1.G.A.3

Front

If a rectangle is divided into 4 equal parts and 1 part is shaded, what fraction is shaded?

Back

1/4 of the rectangle is shaded.

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