This Purplemath lesson includes many different number properties explained by using examples.

This activity helps with understanding how to balance an algebraic equation. You input the term and the operation. The activity uses that term, operates on both sides of the equation, then displays the resulting equation.

The purpose of this task is to help students understand the multiplicative relationship between commonly used large numbers (thousands and millions) by using their understanding of place value. Aligns with 4.NBT.A.1.

At this site from WyzAnt, the properties of simplifying algebraic multiplication are demonstrated with several examples to help the students get a good idea of whats going on. Examples with like variables as well as several with unlike...