When a SASMO problem feels like a locked room with no key, proof by contradiction can be the tool that breaks the door down. Instead of trying to prove something is true directly, you assume the oppos…
The triangle inequality theorem often gets reduced to a simple check: can three side lengths form a triangle? Most students memorize the rule and move on. But in a competition like SASMO, that basic u…
The Chinese Remainder Theorem (CRT) often feels like a magic trick. You have a number that leaves a remainder of 2 when divided by 3, and a remainder of 3 when divided by 5. Without any obvious starti…
Number theory questions on the SASMO exam can feel like a different language at first. They ask about remainders, prime factors, and the hidden rules that govern whole numbers. But here is the truth: …
Geometry problems in SASMO can feel like a brick wall. You read the question. You stare at the diagram. Nothing clicks. The shapes twist, the numbers blur, and the clock keeps ticking. Many students t…
SASMO problem statements are built to test more than your math skills. They test your ability to read carefully, notice small details, and spot the clues that most students miss. The difference betwee…
Your child comes home from a SASMO practice session frustrated. They tried a problem for ten minutes, got stuck, and then peeked at the answer key. Now they have the right answer written down, but the…
Key Takeaway The guess and check method is not about random guessing. It is a structured strategy that uses estimation, logic, and pattern recognition to narrow possibilities fast. Master it with a fi…
The Singapore and Asian Schools Math Olympiad (SASMO) is famous for one thing: problems that look simple but require a flash of insight. You might know all the formulas, but the exam still throws ques…
