Calculate the sum of all horizontal and vertical two-digit numbers. (Answer: Horizontal: 78, 94. Vertical: 79, 84. Total = 335.)
So, what exactly is Meximath? Is it a genuine mathematical theorem, a coding challenge, or just another viral internet craze? This article dives deep into the origins, the rules, the strategies, and the educational value of the Meximath puzzle. At its core, Meximath (a portmanteau of "Mexican" and "mathematics," though its exact geographical origin is debated) is a visual arithmetic puzzle. It typically presents the user with a 4x4 or 5x5 grid of numbers. The instruction is deliberately vague: "Solve the puzzle" or "Find the total." meximath
Meximath is unique because a 5-year-old can attempt it (by pairing numbers visually), but a mathematician can explore its combinatorial properties (how many pairs in an n x n grid? The formula is 2n(n-1) ). As of 2025, Meximath shows no signs of slowing down. App developers have created "Meximath Generators" that produce infinite puzzles. Coding challenge platforms like LeetCode and HackerRank have seen user-submitted "Meximath Solver" problems where you must write a Python or JavaScript function to compute the sum. Calculate the sum of all horizontal and vertical
| | 4 – 5 – 6 | | 7 – 8 – 9