video1.0<iframe src="https://www.loom.com/embed/15284a830b844905bda4c5636fca8aec" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/sessions/thumbnails/15284a830b844905bda4c5636fca8aec-00001.gif80428 January, 2021 - Math - Chapter 6 Lesson 8 - Relate Addition and Subtraction of Tens