Activity
Noyce Foundation

What's Your Angle?

For Students K - 12th Standards
Math can be a work of art! Reach your artistic pupils as they explore angle measures. A creative set of five problems of varying levels has young learners study interior and exterior angle measures of polygons. The introductory levels...
Activity
101 Questions

Pool Bounce

For Teachers 9th - 12th Standards
Use geometry to improve your pool game! Learners analyze the front half of a pool shot to determine its resulting path. By measuring the angle of incidence, they are able to predict the path of the ball. 
Activity
Noyce Foundation

Once Upon a Time

For Students K - 12th Standards
Examine the relationship between time and geometry. A series of five lessons provides a grade-appropriate problem from elementary through high school. Each problem asks learners to compare the movement of the hands on a clock to an angle...
Lesson Plan
Illustrative Mathematics

How Thick Is a Soda Can II?

For Teachers 9th - 12th Standards
Science, technology, and math come together in this one combination exercise. Analyzing the common soda can from both a purely mathematical perspective and a scientific angle allows for a surprisingly sophisticated comparison of...
Activity
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Teach Engineering

Concentrating on the Sun with PVs

For Teachers 9th - 12th
Concentrate to determine the best reflector design. Pairs use the engineering design process to build a reflector to increase the current output of a photovotaic panel. Teams arrive at a final design and present it to the class along...
Activity
Canton Museum of Art

Personal Clay Box

For Teachers 9th - 10th
High schoolers will love this geometrically exact ceramics project; they create a personalized clay box using the slab method and mathematical measurements. They utilize scoring and square construction and can decorate the boxes to...
Lesson Plan
Illustrative Mathematics

Seven Circles III

For Teachers 9th - 11th Standards
A basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...
Lesson Plan
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Illustrative Mathematics

Eratosthenes and the Circumference of the Earth

For Teachers 9th - 12th Standards
The class gets to practice being a mathematician in ancient Greece, performing geometric application problems in the way of Eratosthenes. After following the steps of the great mathematicians, they then compare the (surprisingly...
Activity
Math.com

Math.com: Building Blocks: Classifying Angles

For Students 3rd - 8th Standards
This geometry resource investigates types of angles. Definitions, detailed examples, and practice problems are included.
Activity
University of Cambridge

University of Cambridge: Nrich: Angle A

For Students 3rd - 8th Standards
Sharpen your logic and angle recognition skills by working on this interactive challenge. Solution available.
Activity
University of Cambridge

University of Cambridge: Maths and Sports: Olympic Turns

For Students K - 1st Standards
What angles can you see in these photos of Olympic sports? Can you estimate them? This challenging activity is aimed at older primary pupils at Key Stage 2.
Activity
TeachEngineering

Teach Engineering: You've Got Triangles!

For Teachers 6th - 8th
Students learn about trigonometry, geometry and measurements while participating in a hands-on interaction with LEGO MINDSTORMS NXT technology. First they review fundamental geometrical and trigonometric concepts. Then, they estimate the...