Decomposing Numbers Fold-and-Flip Books - Looking for a fun way to teach your Kindergarten students about decomposing numbers from 2-10? Your students will love these fold-and-flip books! This set includes TWO versions of foldable books: One version has the equations as __+__=__ and the other version has them as __=__+__. Great for small group work, whole class instruction, review, homework, and more.