Curated OER
Arc Length Lesson
Learners find the length of the arc of a circle. For this geometry lesson, students calculate the length of an arc and find the measure of the central angle given the length of the arc. They convert between linear and angular speed. They...
Curated OER
Exploring Quadratic Equations
Eleventh graders explore quadratic equations. In this Algebra II lesson, 11th graders use Geometer’s Sketchpad to explore the properties of quadratics and the connections with polynomials and linear equations. The lesson is designed as...
Curated OER
Walking Math into the Real World
Students measure an area given a yardstick. They also convert inches into a fractions of a foot and use data to create a linear graph.
Curated OER
Polygon Perimeters
Students complete worksheets where they calculate the perimeter of polygons. For this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
Curated OER
Where Is Japan? How Far Is That?
First graders use literature and hands-on activities with maps and globes to explain distance and tools used to measure distance. They select tools to measure various objects in the classroom, then apply those concepts to their map...
Curated OER
Math: a World of Symmetry
Pupils expand their knowledge of quadrilaterals and identify basic symmetrical forms. Over three weeks, they explore the math, application, and discussion of symmetry. After conducting Internet research, students create symmetrical...
West Contra Costa Unified School District
Correlation and Line of Best Fit
Computers are useful for more than just surfing the Internet. Pupils first investigate scatter plots and estimate correlation coefficients. Next, they use Microsoft Excel to create scatter plots and determine correlation coefficients and...
Curated OER
Shape Makes a Difference!
Students learn the difference between perimeter and area by watching a video and a hands on activity.