Hello fellow teacher! These are perfect for fast finishers or independent work packets! This set of 25 puzzles features four different types: Rows and Columns (similar to Sodoku), Code Cracker (algebraic thinking, addition & subtraction), Rhombus puzzle (adding with regrouping) and Elimination (process of elimination, some using U.S. coins). Many of the puzzles have Spring-themed graphics but several can be used any time during the year. However, I aligned them with my pacing guides for sprin