Bring KenKen to Your Classroom
Invented by a teacher and trusted by thousands more. Join the educators using KenKen to make math engaging, build critical thinking, and watch students thrive.
Why Teachers Love KenKen
Explore why educators are hooked on KenKen, and why students are always eager for the next challenge.
Mental Math Mastery
Every puzzle is mental math in disguise. Students drill all four operations without realizing they are drilling.
Critical Thinking
KenKen rewards the question "what if?" Students learn to test, eliminate, and reason their way to a single right answer.
Growth Mindset
In KenKen every solve is earned. Students learn that a little struggle is part of getting stronger, one grid at a time.
Inclusive Learning
From 4×4 beginners to 9×9 champions, every student gets a puzzle that meets them where they are. No one left behind, no one bored.
Zero Prep Required
Print it, project it, or open it on any device. A fresh puzzle is ready every morning, no lesson plan required.
Built for Problem Solvers
The reasoning skills students build here transfer straight to word problems, science, and any subject that rewards a logical mind.
One puzzle, four easy steps
KenKen slots into the day you already run. Here is the whole routine.
Choose a grid size
Start at 3×3 for early grades and scale up to 9×9 for your fastest thinkers. One puzzle, every level.
Hand out the daily puzzle
Print it, project it, or share the link. No accounts, no setup, no photocopier jams the night before.
Let them reason it out
Students test, eliminate, and defend their thinking while you circulate and nudge the ones who need it.
Review as a class
Walk through the logic together and celebrate the clever strategies that finally cracked the grid.
Hear From Fellow Educators
Teachers across every grade share their KenKen classroom stories.
“KenKen transformed my math block. Students who dreaded arithmetic now race in to solve the morning puzzle, and their mental math has climbed all semester.”
“The logical thinking students build with KenKen transfers straight into problem solving across every subject. It has quietly become the best five minutes of our STEM day.”
“My special education students love KenKen. The visual cages help them see number relationships in a way a worksheet of sums never could.”
Join the KenKen Classroom Program
Free puzzles delivered weekly, ready for any grade, no strings attached. Over a million students already get their KenKen this way.
Sign up below for the totally free KenKen Classroom Program (KKCP) and we will handle the rest.
Bring KenKen to Your Classroom
Free weekly puzzles, ready for any grade. Start making math the best few minutes of the day.