Tips for How to Teach Regrouping with Subtraction
If you're currently figuring out how to teach regrouping with subtraction, you probably already know that it's one of those big "lightbulb" moments in elementary math that can take a while to actually flick on. It's the point where math stops being just about counting on fingers and starts being about understanding the inner workings of our number system. For a lot of kids, it feels like we're suddenly changing the rules of the game, and that can be a bit overwhelming. ...