Interactive
Curated OER

Area of Shaded Region (rectangles and triangles)

For Students 9th - 12th
In this online math learning exercise, students determine the area of shaded regions within rectangles and triangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Interactive
Curated OER

Area of Shapes

For Students 7th - 9th
In this area of shapes worksheet, learners determine the area of equilateral triangles, acute triangles, and compound figures. This one-page worksheet contains 3 multi-step problems.  Answers are provided with this interactive...