This can be used as a guided note sheet to teach geometry students how to find the area of a trapezoid.
Trapezoids are first drawn on a grid to allow students to estimate the area, then find the exact area using the formula.
UPDATE: Now a PDF and includes an ANSWER KEY
Here are some of my other products you might be interested in:
Geometry Guided Notes: Rhombuses, Rectangles, and Squares
Geometry Test: Area of Polygons
Honors Geometry: Area of Polygons Review
Volume and Surface Area Stations