Exponents and properties of polynomials

EXPONENTS

Theory and exercises of exponents:
https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals

EXPONENTS (alternative site)

http://www.themathpage.com/alg/exponents-2.htm

EXTRA EXERCISES OF EXPONENTS

Exponents (quick exercises)
http://www.mathgametime.com/games/otter-rush-exponents-game

Basic game with 3 exercises.
http://www.math-play.com/exponent-game.html

POLYNOMIALS PROPERTIES

Perfect Square Trinomial:
http://www.themathpage.com/alg/perfect-square-trinomial.htm

Difference of two squares:
http://www.themathpage.com/alg/difference-two-squares.htm