Fractions, Decimals, and Percents

are numbers that can be used to show parts of a whole.

By Mrs. Curtis October 18, 2011

Fractions

•  A way of representing part of a whole or part of a group by telling the number of equal parts in the whole and the number of those parts you are describing

4 (numerator) 5 (denominator)

4 (4 parts) 5 (5 equal parts in the whole)

Examples of fractions

•  ¼ Measuring Cup

•  ½ Pizza

•  ¾ Inch

Decimals

•  A number containing a decimal point

4.73

Name the place value for the 7.

Name the place value for the 3.

How would you say this number?

Examples of Decimals

•  Average Grade: 97.3

•  Money: $2.87

•  Batting Average: 0.346

•  Treadmill Distance: 2.35

•  Radio Station: 92.9

Percents (%)

•  A special ratio that compares a number to 100 using the symbol %

•  The word percent means hundredths or “out of 100”

Examples of Percents

•  80 questions correct out of 100 questions (80%)

•  2% Milk

•  25% Off Coupon

•  8.25% Sales Tax