Start a 10-Day Free Trial to Unlock the Full Review

Why Lesson Planet?

Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!

Measuring the Earth

High schoolers use geometry to determine the circumference of the Earth. Like Eratosthenes, students calculate time, distance and shadows cast in two different locations. They use this data and Euclidean geometry to figure the circumference.

3 Views 4 Downloads
Resource Details

Grade
9th - 12th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Duration
2 days
Instructional Strategy
Inquiry-Based Learning

Be the first to comment


Join Lesson Planet Community, our free teacher discussion forum, to share ideas about this resource, and more.

Join the Conversation

What Members Say


Julie H.
Lesson Planet has helped me be more creative.
Julie H., Teacher