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 ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students practice using different addition and subtraction strategies to solve two-digit ...

Here are 10 math problems that confused people across the internet. Can you solve them?

Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.