Free PDF Download

The Energy Math Challenge strengthens students’ math and critical thinking skills while increasing their knowledge of energy. Students work individually or in teams to solve energy math problems.

Looking for more math related energy activities? Check out NEED's Plug Loads, Energy Analysis, Reliably Smart, Cost of a Thanksgiving Meal, and Cost of Holiday Shopping guides!

Shipping rates are calculated at 10% per hundred dollars, with a $7 minimum shipping charge (For example: Shipping on orders between $201 and $300 would be $30.) 

Physical orders are typically processed within two business days of order placement and shipped from Virginia. Shipping takes 1-5 business days depending on destination.

Placing a large order?  We're a small organization, and we want to make sure we are meeting your needs.  If you are placing an order over $5,000 please call us at 800-875-5029.

To request expedited processing and shipping please call 800-875-5029 to place your order.

For international shipping, call 800-875-5029 or email info@need.org.