01
How to Actually Get Better at Mental Math
If mental math is not about talent or random tricks, then the training question becomes simpler: train facts, patterns, estimation, and calm repetition.
Section · Writing
Writing.
Short notes on data engineering, LLM tooling, and the side projects that fund themselves.
02
Mental Math Is Pattern Recognition
People who are good at mental math are usually not doing the same arithmetic. They are doing easier arithmetic, because they see how to simplify the problem.
03
Most Mental Math Advice Is Wrong
Most mental math advice treats arithmetic like stage magic: memorize a few tricks, think faster, impress your friends. That misses the point.
04
Multiple Choice Is the Wrong Shape for Critical Thinking
Multiple-choice questions train recognition inside a fixed frame. Real critical thinking starts one level earlier: questioning the frame itself.