Lesson Plan
Government of Hong Kong

Areas and Volumes - 2D Shapes

3rd - 6th Standards
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to...
Worksheet
Curated OER

Area of 2D Shapes Homework

9th - 12th
In this geometry worksheet, students solve the area of 2D shapes starting with squares, rectangles, parallelograms, triangles, rhombi, trapezoids, circles, and ending with area of shaded regions. There are 20 questions.
Worksheet
Curated OER

Area of 2D Shapes

9th - 12th
In this area worksheet, students commence solving for area of squares and rectangles, and continue to parallelograms and triangles, and continue again to rhombi and trapezoids and finish with circles, polygons, and shaded...
Interactive
Curated OER

Area of 2D Shapes Multiple Choice

7th - 10th
In this area instructional activity, students compute the area of circles, parallelograms and rectangles.  This one-page instructional activity contains 5 multiple-choice problems.  Answers are provided in this online...
Lesson Plan
Curated OER

Ratios for Area and Volume

5th - 8th
In this ratios for area and volume worksheet, students solve problems where they find the ratios for problems of shapes dealing with area and volume. Students complete 4 problems.
Worksheet
Curated OER

Compare Area and Perimeter of 2D Shapes

5th - 6th
In this area and perimeter worksheet, students compare area and perimeter of pairs of figures, determining which has either the greatest area or perimeter. A reference web site is given for additional activities. 
Organizer
Curated OER

Area, Perimeter, Volume Formulas

9th - 10th
In this formulas worksheet, students write the area, perimeter, and volume formulas of 17 2D and 3D polygons.  Students list properties of various types of triangles and the metric conversions for metric units.
Worksheet
Curated OER

Compare Area and Perimeter of 2D Shapes

5th - 6th
In this area and perimeter worksheet, learners compare area and perimeter, determining which shapes has the greater perimeter or area. A reference web site is given for additional activities. 
Lesson Plan
Curated OER

Exploring Projective Geometry

7th - 8th
In this exploring projective geometry worksheet, students use computer software for instruction, then answer 9 questions about 3D drawings.