Students go over using number lines to solve the four equations in a fact family. In this lesson, students go over using number lines to solve the four equations in a fact family. Julia uses charts, ...

Figuring out a word problem. Calculating area and perimeter. Finding the measure of an unknown angle. All these tasks, and more, draw on an essential foundation of math knowledge, said Brian Bushart, ...

Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

MathFactLab, founded by former Essex Westford elementary school teacher Mike Kenny, now has more than 1 million users all ...

A modern Red Riding Hood on her way to Grandma’s house can meander through the woods, or drive down the interstate, or even climb a mountain to come around the back way. All those routes will get her ...