Students put all of their addition and subtraction skills together to solve equations.

Under the common core, there are many ways to do subtraction—none of which involve borrowing and carrying.

We may see addition or subtraction as simple, but it requires different parts of our brain to store information and understand order.

Fifth-graders will continue to deepen their understanding of addition, subtraction, multiplication, and division of fractions.

The new theme is Addition and Subtraction, stories of humans becoming more and less and sometimes both with the help of technology.

Tape Diagrams: 2-Digit Addition and Subtraction | Grade 2 Special | 2m 20s Your child continues to use tape diagrams as a visual tool to solve word problems.