Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Play Ball

For Students 9th - 10th
Make a table to figure out if a baseball valued at $3000 in 1927 is worth more than a baseball valued at $3 million in 1999. Which is a better investment?
Unit Plan
PBS

Pbs: Comparing Powers of 10

For Students 6th - 8th
Use powers of 10 to investigate scientific notation. This interactive exercise focuses on using what you know about rate of change and lines to make a prediction about whether two lines will intersect and then requires completing the...