A collection of posts from the classroom of Room 106!

Wednesday, March 16, 2011

Equations

Today in math we learned how to solve equations like x-4=23. To solve x-4=23, you have to make the four a zero. We pretend that the four is a negative and we add a positive four to it. We also add a four to the 23. x-4=23 x-4+4=23+4 x=27

## No comments:

## Post a Comment