Group Activity Cards

Problem Solving Use groups of 4.

As Easy as Pi

Solve the following problem.

People have been fascinated by the number (the circumference of a circle divided by the length of its diameter) for about 4,000 years.

Most of the time, we use 3.14 as the value of , but if we wanted to be as accurate as possible, we would write with 16,777,216 places after the decimal!

How long would it take to write with 16,777,216 decimal places? How many sheets of notebook paper would be needed?

Compare your results with those of other groups.