Lesson Plan
Curated OER

Right Triangles and The Pythagorean Theorem

For Teachers 8th - 9th
Students play a game to reinforce concepts of the Pythagorean Theorem. In this geometry lesson, students find the missing angle and lengths of a right triangle. They use properties of trigonometry about sine, cosine and tangent to solve...
Lesson Plan
Curated OER

Mathematics of Doodles

For Teachers 9th - 11th
Students use the slope and y-intercept to graph lines. For this algebra lesson, students graph linear equations and apply it to solving real life problems.