Join Mrs. McCartney for a Mystery Math Mistake, then learn to combine coins in different w Join Mrs. McCartney for a Mystery Math Mistake - T-Pops needs your help! We'll learn about coins and their ...

Join Mrs. McCartney for a Mystery Math Mistake, then learn about coins and their values. Join Mrs. McCartney for a Mystery Math Mistake - T-Pops needs your help! We'll learn about coins and their ...

The item I had just bought cost 29 cents. I gave the cashier a dollar bill, and she gave me two quarters, two dimes, and a penny in change. She could just as well have given me seven dimes and a penny ...