These addition logic puzzles feature 4 x 4 Magic Squares and Magic Triangles and will have your students doing some serious math, while having fun with the puzzles at the same time. Win-win! These are challenging and provide for lots of logical thinking. I've used these puzzles with students in Grades 3 - 5, and they're always fun. Laminate the cards (or put in plastic sleeves) and allow kids to write on them so they can erase often and try again. Or, give students numbers (either as tiles or j