Activity
Curated OER

Math Challenges

For Teachers 8th - 10th
Students engage their critical thinking skills to solve challenging math problems. In these problem solving lessons, student work with tessellations, weights/measurement, reasoning, surface area, geometric shapes, and algebraic procedures.
Lesson Plan
Curated OER

Solid Surface Area

For Teachers 10th - 12th
Students calculate the area of solids. In this geometry lesson, students use formulas to find the surface are and the volume of solids. They investigate 3-dimensional shapes.
Assessment
PreKinders

Math Assessment

For Teachers Pre-K
Keep track of your preschoolers' skills with an assessment sheet. Learners recognize shapes, numbers, colors, and count to ten, and teachers mark which areas they need to work on.
Lesson Plan
Alabama Learning Exchange

Dog Gone Again!

For Teachers 3rd - 7th Standards
Here is a real-life lesson! Learners must plan the dimensions of a rectangular fence to reign in a runaway dog. They survey what shape and size fence is needed and use formulas to find perimeter and area of the fence. They explore what...
Activity
Teach Engineering

Stay in Shape

For Teachers 7th - 9th Standards
Using their knowledge of right triangles, pupils find out how far a ship is from a light house. Class members determine how far around the world a ship would be sailing at a constant speed.
Lesson Plan
Curated OER

Footprints: Take a Step into Estimation

For Teachers 3rd - 6th
Compare sizes of student footprints with those of elephants and sauropod dinosaurs! Upper graders make estimations of the areas of irregular shapes; students use grids to make and explain estimates within low and high ranges.
Unit Plan
Radford University

Green Acres is the Place to Be!

For Teachers 9th - 12th Standards
Nurture a love of math and farming at the same time. Pupils apply geometry concepts, such as surface area and volume of three-dimensional shapes and similarity ratios, to farming contexts. They consider the dimensions of bales of hay,...
Performance
Radford University

Sand Castle

For Teachers 8th - 12th Standards
Don't let the task slip through your fingers like sand. Scholars design sand castles using hemispheres, pyramids, cones, and cylinders of different sizes. They calculate the volume and surface area and consider how changing the...
Lesson Plan
University of Nottingham

Drawing to Scale: A Garden

For Students 6th - 9th Standards
See how design and geometry go hand in hand. The activity asks learners to use geometry to design a backyard garden given dimensions of each feature. Scholars work with ratios and scale to develop an accurate scale drawing that includes...
Lesson Plan
EngageNY

Using a Curve to Model a Data Distribution

For Teachers 9th - 12th Standards
Show scholars the importance of recognizing a normal curve within a set of data. Learners analyze normal curves and calculate mean and standard deviation.
Lesson Plan
Curated OER

Volume of Spheres

For Teachers 9th - 12th
Students find the volume of spheres. In this geometry lesson plan, students measure and derive the formula for each shape and solid. They use the correct terminology and units when solving these problems.
Lesson Plan
Curated OER

What a Square

For Teachers 3rd - 8th
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Lesson Plan
Institute of Electrical and Electronics Engineers

Sugar Crystal Challenge

For Teachers 3rd - 9th Standards
Blow your learners' minds with a sweet lesson on nanotechnology that uses sugar to demonstrate the difference nanoscale surface area makes in dissolving and crystal formation. Plenty of supportive background information is read to...
Lesson Plan
Curated OER

Glasses

For Teachers 7th - 9th Standards
Provide your class some practice with the dimensions of geometric figures. Here you have a set of three different-shaped, stemmed drinking glasses with diameters and heights provided. Math-minded individuals calculate the volume of each....
Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
For this area and perimeter worksheet, students find perimeter and area of 6 given shapes. An answer key and website reference are included.
Worksheet
Curated OER

Area – Parallelograms and Trapezoids

For Students 7th - 9th
In this geometry skills instructional activity, students solve 4 problems that require them to calculate the area of parallelograms and trapezoids.
Worksheet
Curated OER

Area Calculations

For Students 5th - 6th
In this area instructional activity, students calculate the area of figures and determine the length of x. A reference web site is given for additional activities.
Worksheet
Curated OER

Perimeter and Area

For Students 6th - 8th
In this perimeter and area worksheet, students find the perimeter and area of complex figures. Students complete 9 problems total on this worksheet.
Lesson Plan
Curated OER

Visualizing Solids of Revolution - Washers

For Teachers 10th - 12th
Students solve the area of a cross section. In this calculus lesson, students solve areas rotated and bounded by two functions. They solve using the washer method.
Worksheet
Curated OER

Volume of Cylinders: Problem Solving

For Students 4th - 6th
In this volume of cylinders instructional activity, students solve 6 word problems related to the volume of various cylinders; students find volume, find height, solve reasoning problems and measure to given specifications.
Worksheet
Curated OER

Perimeter and Area

For Students 5th
In this perimeter and area activity, 5th graders study a scenario where a shape is not shown but its perimeter and area are given. Students must find the shape, draw it, and answer 4 short answer questions about the shape.
Worksheet
Curated OER

Perimeter, Area, Volume, and Surface Area

For Students 10th
For this geometry worksheet students solve problems involving perimeter, area, volume, and surface area for various geometric shapes.  The four page worksheet contains twenty-five problems.  Answers key is provided. 
Worksheet
Curated OER

Using Math To Build A Swimming Pool

For Students 6th - 8th
In this math worksheet, students create the plans for building a swimming pool through calculating its surface area. Then they answer the 13 related questions.
Lesson Plan
Curated OER

Perimeter, Area and Volume

For Teachers 6th - 8th
Students compute area.  In this perimeter, area and volume lesson, students examine given objects and determine the perimeter, area, and volume of each.