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 ...

(bright upbeat music) - Good morning, boys and girls. Welcome back to Room Nine. It is Dr. Sanders in here getting ready for somewhat baseball. And knows (indistinct), but no, I am here in the largest ...

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...