Use these 20 multiple choice, Digital Task cards, hosted on Boom Learning, to reinforce the common prefixes of un-, pre-, post-, and auto-. As students learn to understand the morphemes of words, they can improve their vocabulary understanding. There are several teaching cards at the beginning of the set that explain morphemes; suffixes and affixes, as well as provide the definition of the prefixes used within this set.Boom Cards live in the cloud. They can't be printed. They play on most modern