Mental Math Practice for Trading Interviews
No-calculator arithmetic against the clock - the classic trading-firm speed test.
Free account required to play. Every setting is free to change.
Trading firms open their process with a raw speed test: fast, no-calculator arithmetic across integers, fractions, decimals, and percentages. The timed screens used across market making all probe the same thing - can you compute accurately when the clock is running and the pressure is on.
The Mental Math Blitz recreates that format. Questions come one after another, correct answers auto-advance so a good run flows, and your score reflects how many you clear inside the time limit. The goal is to make arithmetic automatic, so that in a real interview your working memory is free for the actual problem.
What it's modelled on
The timed mental-arithmetic screens market makers filter on
It is modelled on the first-round numerical filter commonly reported at speed-focused market makers - dozens of arithmetic questions in a handful of minutes, with a penalty for errors. As in those reported formats, it's no-calculator and correct answers auto-advance under a hard time limit.
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What it trains
- Addition, subtraction, multiplication, and division without a calculator
- Fractions, decimals, and percentages under time pressure
- The speed-and-accuracy balance firms filter on in the first round
How it's scored
Each correct answer auto-advances to the next question; you're scored on how many you get right within the timer. The default is the Easy format; you can also configure the question count, timer, and difficulty.
Frequently asked questions
- How do I practice for a trading firm's mental math test?
- Drill no-calculator arithmetic under a timer until it's automatic - short, frequent sessions beat occasional long ones. NeetQuant's Mental Math Blitz is modelled on the commonly reported format of these timed screens, so the format won't be new to you.
- What does a speed mental-math screen involve?
- Commonly reported formats run dozens of mental-arithmetic questions in a handful of minutes, no calculator. Clearing one requires fast, accurate calculation across integers, fractions, and decimals, which is exactly what timed mental-math practice builds.
- Is the Mental Math Blitz free?
- Yes. The Mental Math Blitz is free with a NeetQuant account - the default is Easy, and you can configure the counts, timers, and difficulty.