Practice modes

Pick what to work on. Every mode saves your scores and weak spots on this device.

Trading test practice

8 min80 in 8 test80 multiple-choice questions in 8 minutes, +1 / −1 scoring. In the style reported for Optiver. 6 min60 in 6 test60 questions in 6 minutes, heavy on percentages and fractions. In the style reported for Flow Traders. 2 minClassic drillThe two-minute mixed arithmetic drill with the standard default settings.

Single skills

1 minTimes tablesMixed 2 to 12 tables test, plus a drill for every table to 20. 2 minAdditionTwo-digit addition, left to right. 2 minSubtractionCount up instead of down. 2 minMultiplication2 to 12 times 2 to 100. 2 minDivisionWhole-number answers, divisors 2 to 12. 2 minDecimalsAdd, subtract, multiply and divide decimals. 2 minPercentages15% of 80 and friends. 2 minFractionsFraction of a number, and fractions to decimals.