Curated OER
Proving (a Theorem) and Disproving (a Theory)
As a cross-curricular lesson, your class examines the issues of gender discrimination, careers, and gender roles. They read and discuss an article, prepare a proof of the Pythagorean theorem as a class, and develop a creative...
Curated OER
Pythagoreum Theorem
Students practice assessing how to apply the formulas for the area of parallelograms and triangles. They recount the contributions of Pythagoras and apply the theories of the Pythagorean theorem in a group project to calculate the...
Curated OER
Hexagoning the Circle
Learners explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Learners share their designs with the class.