How can we use our knowledge of adding multiples of 10 when the ones digit has a sum less than or equal to 10? Join Ms. Lassiter for lesson as she adds pairs of two-digit numbers using objects, drawings, the place value chart, number bond, arrow way and counting on. For this lesson, youâll need a whiteboard and dry erase marker or paper and pencil. If you have access to a printer, we also suggest accessing the Problem Set using the link below the video.
