We have just finished our addition unit. We learned different techniques and strategies for adding whole numbers. I do teach kids to add num...

The properties of addition are the rules that make adding numbers easier. In third grade, we focus on three properties: the Commutative, Ass...

This is a new focus for third grade. In the past, it has been in second grade. Rounding is about making mental math easier. We use mental ma...

The most important concepts students learn is place value. It is the foundation for all other concepts in math. To round, estimate, add, sub...