Play X-Mas Math Online Free

About This Game

X-Mas Math is a festive puzzle that hides real number practice inside holiday cheer. Four letters — X, M, A and S — stand for the digit positions of four-digit numbers: X marks the thousands, M the hundreds, A the tens and S the ones. In the number 3489, for example, X is 3, M is 4, A is 8 and S is 9. Use that key to crack every puzzle the game presents. Easy to understand yet satisfyingly clever, it loads instantly in your mobile browser with no download required, a delightful casual brain warm-up for the season.

How to Play

Each puzzle shows a four-digit number, and the letters X, M, A and S stand for its thousands, hundreds, tens and ones digits respectively. Read the question, work out which value each letter represents, then choose or enter the correct answer. For example, in 3489 the letter X equals 3, M equals 4, A equals 8 and S equals 9. Use the mouse to click answers on desktop, or tap the screen with a finger on mobile devices. Solve the puzzles one by one to finish the board and enjoy a light seasonal math workout.