Use the numbers 3 through 11 exactly once.
Goal: Fill the 3×3 grid so that every row, column, and diagonal sums to 21.
Some cells are already filled to get you started.
First time? Check out the Magic Squares guide for tips.
Sign in or create an account to reveal answers, view the solution, and save your progress. Create a free account to unlock practice and keep track of your work.
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
Browse library →See how you rank. Top solvers by problems solved correctly. Sign in to climb the ranks.
View leaderboard →