Column addition is a way of adding numbers together. It's helpful when you're adding two-digit or three-digit numbers together. When you do column addition, you lay out the numbers you are adding ...

(lively music) - [Children] Math Mights. - Hi there second grade Math Mights. My name's Mrs. McCartney. I'm so excited that you've joined us today for some more fun in Math. Our plan for today is to ...