Students construct two dimensional models to illustrate squared numbers. In this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various figures...

Third graders compose a postcard that includes a short letter, name, address, and postcard design.

This tasks gives a verbal description for computing the perimeter of a rectangle and asks the learners to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...