Curated OER
Perimeter and Area
In this perimeter and area activity, middle schoolers find the perimeter and area of complex figures. Students complete 9 problems total on this activity.
Curated OER
Geometry - Complex Figure
In this geometry worksheet, 4th graders work with a complex figure. They calculate the length of one line in the figure, find the perimeter, the length of another side, and the surface area of the figure.
Curated OER
Area of Complex Figures
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...