This resource begins with the concept of standard 1.NBT.6 embedded in a word problem titled, “Tasty Donuts”. A set of 5 full-color posters, depicted in the downloadable preview and thumbnail images, illustrate several ways in which students can learn to subtract multiples of ten and justify their reasoning. These posters make great visual references (anchor charts) that can be useful during your whole group lesson, guided math groups, and intervention settings. Clip art of a boy “thinking” about