National Council of Teachers of Mathematics
Nctm: Figure This: Radar Bills
Have you seen a radar bill lately? Explore number patterns, number combinations, and probability in this math challenge that examines serial numbers on U.S. bills. A one page activity from the NCTM Math Challenges for Families series.
Alabama Learning Exchange
Alex: What's That Coin?
This Five E's AMSTI lesson prompts students to pay close attention to the details on each of the four U.S. coins as they learn the coin names. Students watch a video clip about the differences in the coins, sort real coins by attributes,...