Mathematical Content

• Converting a percentage to a decimal

  - Move the decimal point two places to the left and remove the percent sign.

  - If needed, append zeroes to fill decimal places. For example:

  
  

  5% = 0.05
• Decimal places


  The number of digits after the decimal point.
• Converting a decimal to a fraction

  To convert 0.75 to a fraction

  
  

  1. Write down the decimal "over" the number 1

  0.75 / 1

  2. Multiply top and bottom by 10 for every number after the decimal point

  0.75 × 100 / 1 × 100 = 75 / 100

  3. Simplify the fraction

  3 / 4

  
• = Equal to
• > Greater than
• < Less than
• >> Much greater than
• << Much less than