Fractions Are Easy as Pie

Words to Know

Fraction

A part of something whole

One slice of pizza is a fraction of the whole pie!

Numerator

The top number — how many pieces you HAVE

In 3/4, the numerator is 3!

Denominator

The bottom number — how many pieces the whole was cut into

In 3/4, the denominator is 4!

Equivalent

Different fractions that mean the SAME amount

4/8 is equivalent to 1/2!

Whole

All of it — nothing missing

4/4 is one whole pizza!

Compare

To see which fraction is bigger or smaller

1/4 is bigger than 1/8!

Check What You Learned

Fun Facts

• A fraction represents a part of a whole, written as numerator/denominator

  Source: CCSS.MATH.CONTENT.3.NF.A.1

• The numerator (top number) represents the number of parts being considered; the denominator (bottom number) represents the total number of equal parts

  Source: CCSS.MATH.CONTENT.3.NF.A.1

• The word "fraction" comes from the Latin "fractus," meaning "broken"

  Source: Oxford English Dictionary

• 4/8 = 1/2: equivalent fractions represent the same quantity

  Source: CCSS.MATH.CONTENT.3.NF.A.3.B

• When comparing unit fractions (same numerator of 1), a larger denominator means smaller pieces: 1/4 > 1/8

  Source: CCSS.MATH.CONTENT.3.NF.A.3.D

• Fractions can be represented on a number line, with 0 and 1 as endpoints and fractions as points between them

  Source: CCSS.MATH.CONTENT.3.NF.A.2