Ohio Resource Center
 Quadratic FunctionsORC# 5822Resource InformationResource Type: Content SupportsDiscipline: MathematicsGrades: Grades 9–11Professional Commentary: Students use quadratic functions to describe the relationship of the height of a football thrown in a parabolic path to its distance from the goal line. Working with graphing calculators, students collect and organize data, make a scatterplot, fit a curve to the appropriate parent function, and interpret the results. Discussion questions, an activity sheet, an extension...MORE...
 Whelk-Come to MathematicsORC# 399Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 9–12Professional Commentary: In this investigation students explore the possible reasons behind the observation that northwestern crows consistently drop a type of mollusk called a whelk from a height of 5 meters to break its shell. Students are given activity sheets and a graphics calculator....MORE...
 ParameTRICKSORC# 8902Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 10–12Professional Commentary: This lesson is primarily a graphing activity in which students manipulate equations of a circle in order to translate the center from the origin to another point. They write the equation of a circle in parametric form, match equations of circles to given graphs, use the equation of a circle and appropriate windows to graph regular...MORE...