This has most likely been posted here before, but it's incredibly useful.
EEWeb's Math Reference Sheets are FREE - and wonderful collections of formulas in Algebra, Geometry, Calculus, Trig, & more!
EwR.Pronunciation #English Poster: Contractions, also called Relaxed Pronunciation
Fraction Rules Poster or Handout.....Like I will EVERRRRRRRRRRRRRRR need this.
trigonometry-laws-and-identities.png 818×1,058 pixels
Multiple Physics Formulae chart. I never knew pinterest would be so helpful for getting through my major!
Quick Perimeter, Area, Surface Area, and Volume Formula Sheet!
This would've been great last semester...
rules for exponents.
Exponent game - rules of exponents