Maths

• How do you convert a percentage to a decimal?

  Remove the % sign and move the decimal point two places to the left
• How do you convert a decimal to a fraction?

  Work out number of decimal places

  If decimal has two decimal places, divide by 100, if decimal has three decimal places, divide by 1000, etc.
• =

  Equals sign
• >

  Strict inequality
• <

  Strict inequality
• >>

  Inequality
• <<

  Inequality
• ∝

  Proportional to
• ≈

  Approximately equal
• What is the formula for standard form?

  [number between 1 and 10] x 10[to the power of x]