Willow Tree
Circle Graphs
Pie isn't just for eating! Scholars learn to create pie charts and circle graphs to represent data. Given raw data, learners determine the percent of the whole for each category and then figure out the degree of the circle that percent...
CK-12 Foundation
Conversions between Degrees and Radians: Charting Hours in the Day
Forget hours, divide the day into radians instead. Class members convert the angles in a pie chart of daily activities into radian measures. They add angle measures for multiple activities then determine a relationship between the radian...
Curated OER
Creating Circle Graphs with Microsoft Excel
Students create graphs of circles. In this geometry lesson, students use Microsoft Excel to create graphs. They construct the graphs using paper and pencil as well as the computer.
Curated OER
Area Of Sectors
Student find the area of a sector of a circle. In this geometry instructional activity, high schoolers define the sector of a circle using a sketch. They find and identify examples of sector in the real world.
Curated OER
Budget Making
Students develop a budget for spending and saving. For this economics lesson, students create a budget based on personal, family and government income. They discuss jobs at home and allowances. They discuss how they manage their money...