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 ...

"We gave this application to several children ages 4-8. All of them liked this application best of the coin counting applications we looked at. It can be used either at home or at school for learning ...

Welcome to Teaching in Room 9, the area's largest classroom. I'm Mrs. Forth from the Rockwood School District. We're gonna have a lot of fun this week talking about fluency. That's right, we're really ...

Thirty €1 coins are arranged in a circle on a table. Ten of these coins are fake and a little lighter than the 20 real coins. You don’t know where in the circle the fake coins are, but you have been ...

In 2007 Alexander Shapovalov suggested an unusual coin-weighing problem for the sixth international Kolmogorov math tournament [5]. A judge is presented with 80 coins that all look the same, knowing ...