Distributive Property Proof Using an Area Model

Directions:
Play with the following application using the colored sliders to change the values inside and outside the parentheses. Make sure that you try a bunch of numbers to get a good feeling for it!

Solving equations by balancing

Move the numbers until you have an x on one side and integers on the other, while keeping the equation balanced; to solve for x.
Once you have solved the example, check the answer, then change it and set up an equation for a partner to solve.

Information