Accountants
Arithmetic at the speed of the source document, with the audit trail intact.
Accounting is arithmetic plus pattern recognition plus episodic memory. The skill that distinguishes a good ledger is not how fast you add, it is whether the row that does not look like the others jumps off the page.
Recommended games
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Math Lab
A lab of timed number drills · arithmetic, trigonometry, prime spotting and fraction sizing, each on its own tab
Math LabOpen game Loading… -
Column Math
Master column addition, subtraction, multiplication, and long division · with and without carries and remainders
Column MathOpen game Loading… -
Master Percentage
Percent of, reverse percent, changes, discounts, tips and chart estimates · every way percentages show up in real life
Master PercentageOpen game Loading… -
Sequences
What comes next? Spot the pattern in number sequences - arithmetic, geometric, Fibonacci, and more
SequencesOpen game Loading… -
Money Hacks
Source-verified money habits · save more and avoid fees the way the CFPB, FTC and FDIC recommend
Money Hacks -
Memory Game
Match emoji cards with their word labels across 10 categories
Memory GameOpen game Loading… -
Order It
Put the items in the right order along a ranked rail · by distance, date, size or speed · drag them or use the arrows, then check
Order It
Why these games
Math keeps the in-head arithmetic so automatic that the eye is free to scan the row that does not match. Sequences trains the pattern-of-numbers instinct · monthly variance, seasonality, the run-rate that drifts. Memory Game protects the audit-trail recall · who entered what and why, three weeks later.