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Fraction Basics. Mr. Frankel June 2004. 1/4. 1/2. 1. What is a Fraction ?. A fraction names a piece of a single thing This is one-half of a cookie. A fraction names a part of a group of things One-third or 1 out of 3 cookies are chocolate chip. F raction Notation.

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mr frankel june 2004

Fraction Basics

Mr. Frankel

June 2004

1/4

1/2

1

what is a fraction
What is a Fraction?

A fraction names a piece of a single thing

  • This is one-half of a cookie
  • A fraction names a part of a group of things
  • One-third or 1 out of 3 cookies are chocolate chip
f raction notation
Fraction Notation

A fraction is a number used to name a part of a group or a whole.

The number above the bar is the numerator.

The number below the bar is the denominator.

The fraction one-fourth

is written like this:

This is the numerator

1

4

This is the denominator

fraction models
Fraction Models

Fractions can be shown as parts of a circle

Here is 1/4 of the circle

1 out of 4 parts is shaded in, so we say one-fourth

Or as part of rectangle

Here is 3/4 of the rectangle

3 out of 4 parts is shaded in, so we say three-fourths

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