# Math

Mathalicious - Real-world lessons from Mathalicious help middle and high school teachers address Standards while challenging their students to think critically about the world.
National Library of Virtual Manipulatives - website with a variety of online manipulatives.  It is divided into categories: Numbers and Opeartions, Geometry, Algebra, Measurement, and Data Analysis.  Within the categories, it is broken into manipulatives by ages.
Virtual Algebra Tiles -

1) Modeling Expressions - Create a given algebraic expression with algebra tiles.

2) Simplifying Expressions - Practice finding and canceling zero pairs to simplify expressions. Great for practice with negatives.

3) Adding Polynomials - Practice adding and subtracting terms and polynomials with algebra tiles.

4) Solving One-Step Equations - Promotes a better understanding of why the algebraic steps work by practicing on simple one-step equations.

5) Solving Two-Step Equations - Expands on the understanding in one-step equations to include division as method for solving.

6) Multiplication - Use algebra tiles to visualize multiplication of terms, the distributive property, and binomial multiplication.

7) Factoring Trinomials - Use algebra tiles to visually and physically factor challenging trinomials.

8) Completing the Square - Literally complete a square to better understand and visualize   this algebraic process.

Math Game Websites:

www.4nums.com

Slope and Y-Intercept Game