Curated OER
Area and Perimeter of a Rectangle
In this online rectangles worksheet, students find the area and perimeter of thirty-nine rectangles. Students check their answers on line as they go and receive their overall score online at the end of the worksheet.
University of Texas
Inside Mathematics: Garden Design [Pdf]
This task challenges a student to use understanding of area to find the area of shapes on a grid.
Math Is Fun
Math Is Fun: Activity: Garden Area
The learning activity explores area. Students determine the area of their garden by counting squares.