Curated OER
Impossible Graphs
Pupils distinguish between possible and impossible graphs of functions, and to learn why some graphs are impossible. They have practiced plotting functions on the Cartesian coordinate plane
Curated OER
The Quadratic Formula
Students solve quadratic function by completing the square. In this algebra lesson plan, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
Curated OER
Confusing Colors!
Fourth graders collect data, graph their data, and then make predictions based upon their findings. They's interest is maintained by the interesting way the data is collected. The data collection experiment is from the psychology work of...