High schoolers research the 13th, 14th, and 15th Amendments, as well as other primary source documents, to determine Reconstruction's impact on the North and South. The 34-page inquiry-based lesson includes a staging question and...

Cruise ships offer many engaging opportunities for real-world math adventures. These large, floating cities use resources with numbers into the thousands place. Young mathematicians are asked to calculate numerical information...

Students examine the principles companies use to price their problems. They discover the difference between cost based and market based pricing. They identify other factors that go into pricing decisions.