The ability to round a number to a number of decimal places or to a number of significant figures means that answers can be written to an agreed degree of accuracy. Watch the video to learn how ...

STEP 1 - WRAP RIBBON: Take the ribbon and wrap it around a glass. Mark where the ribbon overlaps itself. Image caption, STEP 2 - CUT CIRCUMFERENCE: Cut the ribbon at the point where it overlaps. You ...

This is a preview. Log in through your library . Journal Information This lively journal is produced five times per year and includes contributions from mathematics practitioners. It reflects the best ...

Arnold Packer chairs the Scans 2000 Center within the Institute for Policy Studies at Johns Hopkins University in Baltimore. The center is conducting the study mentioned in the essay. Successful 5th ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Throughout history, circles have symbolized many things: unity, ...