Kenken is a puzzle whose solution requires a combination of logic and simple arithmetic skills. The puzzles range in difficulty from very simple to incredibly difficult. Students who get hooked on the puzzle will be forced to drill their simple addition, subtraction, multiplication and division facts.

Mathematical Games
Problem Solving / General

Multiple Representations
Problem Posing
Try a Smaller Problem
Work Backwards

MP1 - Make sense of problems and persevere in solving them.
MP2 - Reason abstractly and quantitatively.
MP3 - Construct viable arguments and critique others' reasoning.
MP7 - Look for and make use of structure.
MP8 - Look for and express regularity in repeated reasoning.