Ohio Resource Center
 What Percentage of Your Class is Right or Left Handed?: A Data Collection and Analysis Class ExperimentORC# 636Resource InformationResource URL: http://math.rice.edu/~lanius/Algebra/rightleft.htmlResource Type: Content Supports -- Activities and rich problemsDiscipline: MathematicsGrades: Grades 7–8Professional Commentary: Students create and interpret a scatterplot based on the number of times they can write in 20 seconds the initial of their last name with their right hand versus their left hand. They explain why the line y = x is called the Ambidextrous Line....MORE...
 Mathematics as Communication: Graphing Information Collected Over TimeORC# 3763Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grade 6Professional Commentary: This lesson focuses on interpreting and creating graphs that are functions of time. The first two activity sheets focus on graphs of time vs speed....MORE...
 Stressed to the Breaking Point: Multiple-Variable FunctionsORC# 125Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 10–12Professional Commentary: How does the amount of weight that can be supported by a spaghetti bridge relate to the width (number of spaghetti strands) and the length of a bridge? Students gather data comparing the amount of weight that can be supported, the number of strands of spaghetti used, and the length of the bridge....MORE...
 Pennies, Pressure, Temperature, and Light: Inverse FunctionsORC# 116Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 10–12Professional Commentary: The major goal of this lesson is to collect data from a variety of experiments, determine what type of model best fits the data, and explain why. Students explore a variety of relationships using pennies, pressure, temperature, light, and pendulums to determine the algebraic equation that best represents the pattern modeled by the variables involved in...MORE...
 Shrinking Candles, Running Water, Folding BoxesORC# 1096Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 10–12Professional Commentary: This multi-day activity has students look for functions within a given set of data. After analyzing patterns in the data, students should be able to determine the type of function that best represents the data....MORE...
 Shedding Light on the SubjectORC# 400Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 10–12Professional Commentary: In this 4-lesson unit students develop and analyze exponential models for the behavior of light passing through water. Students begin by considering how light intensity changes from near the surface to the bottom of the ocean....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...
 Function Models for Real-Life SituationsORC# 5823Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 11–12Professional Commentary: Students use calculator regression procedures to investigate functions as models of real-life data. They compare different regression models (e.g....MORE...