If you have ever stared at a prime number problem during a math contest and felt a little lost, you are not alone. Primes seem simple on the surface – just a number divisible only by 1 and itself – bu…
You sit down with a SASMO practice paper. Your pencil hovers over the first question. It is a puzzle about three friends, four colored hats, and a set of clues. You know the formulas for area, perimet…
If you have tried helping your child with a SASMO problem, you know the feeling. The question looks like a simple puzzle at first. But the numbers seem to twist in ways school math never taught. Your …
Every SASMO student knows the feeling. You flip the page, see a problem that looks like a puzzle box with no key, and the clock is ticking. School math lets you work step by step, but SASMO rewards th…
You sit down during a SASMO practice session and stare at a question that seems to come from another planet. The numbers dance around, the operations feel unfamiliar, and your usual forward-solving ap…
Venn diagrams are a staple on the SASMO paper. They look simple at first glance two circles, maybe three, some numbers inside. But the SASMO team has a talent for twisting these diagrams into puzzles …
You are sitting in the SASMO exam hall, staring at a problem that asks for the remainder when a huge number is divided by 7. You could try long division, but the number has 50 digits. Your heart sinks…
Some SASMO problems look like magic tricks: the answer seems impossible to reach, until you realize something never changes. That unchanging something is called an invariant. It is a secret key that u…
You are sitting in a SASMO exam room, the clock ticking. You read a problem that asks for the approximate area of a weird shape. Doing the exact calculation would eat up three minutes. But rounding so…
Geometry in the SASMO can feel like a puzzle wrapped in a diagram. One wrong assumption about a line, one forgotten formula, and a perfectly good solution falls apart. But here is the truth: most geom…