It wasn’t until a few years after the Common Core was adopted in California did I start teaching students how to round on a number line. Before that, what did I use? Rounding rhymes, tricks,…
Unitizing is not only a mathematical term, but it’s also a business term. Have you ever wondered when businesses ship hundreds of boxes, how do they keep track? By unitizing! The shipping company will unitize…
Teaching second grade has given me a much better understanding of how second graders are prepared for third grade. If you examine the Common Core State Standards for Math, you will see that place value…
