Join Mrs. McCartney for a comparison word problem with her friend Professor Barble. Join Mrs. McCartney for a comparison word problem with her friend Professor Barble. Next, get ready to order 3-digit ...

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 ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...