Memory and Math
Hold a longer number each round, tap a grid back in order, or answer sums against the clock with typed answers. Mental maths runs show answers per minute, accuracy and the exact facts you missed.
14 pages
- Memory Tests Six short tests of working memory, each with one number to beat. 6
- Case Interview Mental Math Practice 13 timed drills on the arithmetic of case questions: round-number products, percentages of big totals, growth and splits.
- Division Mental Math Timed division drills from the facts for 2, 5 and 10 to four digits divided by a digit, with no remainders.
- Mental Math for Pilots Timed drills on rules of thumb and calculations from Federal Aviation Administration handbooks: headings, speed, turns, descent and fuel.
- Mental Math Multiplication Timed multiplication drills that each train one shortcut, from doubling to two digits times two digits.
- Mental Math Percentages Timed drills on a percent of a number, from 1% of a round number up to 200%, every answer whole.
- Mental Math Practice 33 timed drills with typed answers, scored in correct answers per minute.
- Mental Math Test A timed mixed test of all four operations by level, scored in correct answers a minute.
- Quick Mental Math Tricks Tips and tricks for mental math, one to a timed drill: numbers near 100, squares from a neighbour, times 125, 75 and 37.