An analysis of Archimedes' contributions to the field of mathematics and the meaning behind C = pd are explored. Activity sheets are included.
“when will I ever use this?”
Misha K. Miller
The topic of irrigating crops provides the real-life tie-in to this computation activity involving area.
Linda Cooper and Emily Dennis
Students use proportional reasoning and popular GPS technology in the form of apps, readily available on smartphones, to estimate the polar circumference of Earth. Connections are made with middle school social studies as students investigate, differentiate, and use the properties of longitude and latitude.
A cartoon that explores 360 degrees and the directions of clockwise and counterclockwise is coupled with a full-page activity sheet.
A humorous cartoon and related problems (and answers) about pi are coupled with a full-page activity sheet.
Carolyn James, Ana Casas, and Douglas Grant
Encouraging students to justify earlier as they attempt to solve an open-ended task can lead to greater understanding and engagement.
a good idea in a small package
Michael J. Gilbert
The topic of limit is explored by examining a circle's successively smaller sectors.
big solutions to little problems
Students' thinking is discussed, and the procedures used with problem solving are explored.
Cory A. Bennett
Address the needs of diverse learners with a class structure that is designed around a crime scene theme and based on student choice and perceptions of the math being studied.
Edited by Stephen P. Smith and David Spangler
A cartoon involving pi (or 3.14….) is coupled with a full-page activity sheet.