That's the number of squares you should find in the graphic. If your initial response wasn't as accurate, don't fret. With this square-counting puzzle, the emphasis is on learning and practicing ...

A brain teaser on X featuring a 3×3 number grid sparked over 12k views and 300+ comments as users debated the missing ...

a self-taught English mathematician and puzzle columnist, asked his readers to dissect an equilateral triangle into the smallest number of pieces that could be rearranged into a square.

One user confidently wrote, “It’s a classic 3x3 magic square. The missing number has to be 6!” Another user chimed in with, “These puzzles never fail to twist my brain. I spent 15 minutes ...