Register with GEF for FREE to enjoy these great benefits! 

    • member only contests and raffles

    • sustainability program news and updates

    • significant discounts at GEF Institute

Note: If you have problems registering, contact This email address is being protected from spambots. You need JavaScript enabled to view it.

JOIN GEF NOW!

Taking a GEF Institute Course? Login by clicking here.

 

 

 

 

 

Join Us

Sign Up for National Green Week!
Please note: Your privacy is very important to GEF. We do not share or sell any of your data.  It is with the sole purpose of providing you with relevant information that GEF will contact you.
Login/SignUp

Welcome to the Sustainability Lesson Clearinghouse

Here, you can find free sustainability lessons to use in your class and upload your own lessons to share. Be sure to rate the lessons you use and leave comments for your colleagues!

All of GEF's lessons and programs are offered at no cost.  Become a member to support GEF and enjoy member only benefits! 
Join button_03

Professional Development

GEFinstitute LOGO_WEB GEF Institute offers affordable, online sustainability courses eligible for professional development or academic credit.
Give your resume a boost!

Sponsor a Teacher

Support educators in your community by helping them earn a Certificate in Sustainability or take an online course. Find out more about sponsorship!
Sustainability Lesson Clearinghouse

Energy Math Challenge

Lesson Description:
The questions are organized in rounds. In the first round, students working together in small groups solve four different math problems. The same types of problems are repeated in rounds two and three. In the fourth round, groups of students solve a mega-question that incorporates the four skills targeted in the first three rounds.
Lesson Type:
  • Other

Sustainability Topic:
  • Energy

GEF Program Category:
  • Green Energy Challenge

Time Needed:
8-10 minutes for each of the first three rounds, 15-20 minutes for the fourth round.
Materials Needed:
  • One set of round one and round two questions for each group.
  • One set of round three questions for each student.
  • One mega-question for each group.

School or Group:
Need
Contact Email:
service@greeneducationfoundation.org
Notes:
http://www.need.org/needpdf/Energy%20Math%20Challenge.pdf
Located in: Science

The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools