This 4 page lesson includes a page that details the formulas for finding the area of a square, rectangle, triangle, parallelogram and trapezoid. The second and third pages are practice problems. Answer Keys included!

Here are two different versions of a game where students roll dice to create rectangles and then find the area. In one version students count square units. In the second version they apply the formula for area.

Mystery Perimeter Freebie from Laura Candler - Complete hands-on lesson for introducing students to finding unknown sides of irregular polygons - CCSS Math Content 3.MD.D.8 and also effective with 4th and 5th grade for review and remediation