Lesson Plan
Curated OER

Interior/Exterior Polygon Angles and Tessellations

For Teachers 9th - 11th
Students discover the sum of the interior and exterior angles of several polygons. In this Geometers sketchpad lesson, students work in groups to find the stated measurements of triangles, quadrilaterals, pentagons and hexagons. Students...
Lesson Plan
Curated OER

Cool Math

For Teachers Pre-K - 5th
Students benefit from the correctly selected book for a specific math concept.  In this book selection lesson, students are given a list of books related to specific math concepts.  Students' ages can range from pre-school to...
Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 8th - 9th
Students factor trinomials. In this algebra lesson, students use special patterns and formulas to factor. They utilize algebra tiles as a hands-on method for gaining practice with trinomials.
Lesson Plan
Curated OER

Follow That Graph

For Teachers 4th - 6th
Learners investigate the graphs of six trigonometric functions. They discover how changes in the equation of the basic function affect the graph of the function.