Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...

In this educational film, Billy Thompson learns to add his savings to determine if he has enough money to buy a set of paints and a baseball bat. He breaks down his money into different denominations ...