Can You Solve SASMO Problems Faster with the ‘Working Backwards’ Method?
Picture this: your child stares at a SASMO problem, pencil frozen. The question gives a final number and asks what happened first. Most students try to guess, but there is a smarter way. The working b…
Why These 8 SASMO Problem Types Keep Appearing Every Year
If you have been looking at past SASMO papers, you have probably noticed something strange. The numbers change, the names in the word problems change, but the core structure of many questions stays th…
How to Master the Art of Proof by Contradiction for SASMO Success
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…
5 Surprising Ways the Triangle Inequality Can Solve SASMO Geometry Questions
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…
Master the Chinese Remainder Theorem for SASMO Number Theory Problems
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…
What Is the Best Way to Approach SASMO Number Theory Questions?
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: …