Speed drills
New problems every run. The bar is the score that reads as ready.
- Arithmetic sprintAdd, subtract, multiply, divide. As many as you can in two minutes.Bar 40
- 80 in 8Eighty mixed problems with decimals and fractions in eight minutes, the shape of a trading firm's math screen.Bar 60
- Fractions to decimalsEighths, sixteenths, sevenths, and ninths as decimals and percents, two minutes.Bar 25
- Dice and card oddsTwenty quick probabilities and expected values. Type a decimal or a fraction like 5/36.Bar 16