This FREEBIE will help your parents (or fellow teachers) solve math addition and subtraction problems the Common Core way - using base ten blocks, a hundred chart, number line and expanded form. Also a handy reference for kids!
Place Value chart love this. I want to make a layout and laminate it. Then it can be used over and over again. Also you could attach baggies and the students could add the model blocks instead of drawing them. Can't wait this will be perfect for my second graders :)