Math Review

Please Excuse My Dear Aunt Sally

  1. parenthesis
  2. exponentiation
  3. multiplication and division
  4. addition and subtraction

Exponentiation

  1.     am · an = a m + n
  2.     a0 = 1
  3.     a1 = a
  4.     (am)n = am · n
  5.     (ab)m = ambm

Ratios

Proportions

Variables

Averages (mean)