Three are equal. One isn't. Find it fast.
Mind Sharpness Speed & Reflex Games Maths Games for Teenagers Maths Games for Adults
Four values appear and three of them are equal — written differently, but equal. Your job is to spot the impostor. Because the equal ones are disguised as fractions, decimals, percentages or unevaluated sums, you cannot pattern-match on appearance. You have to actually convert.
It is a comparison drill dressed as a spotting game, and it gets at something a straight conversion quiz misses: holding several representations in mind at once and judging them against each other.
This version: The odd one is only a hundredth away. Your best score is saved in this browser, so you can come back and try to beat it. Nothing is uploaded and no sign-up is needed.
Yes. Every round has exactly three equal values and one that does not match.
Close enough that skimming will not do it. In the harder levels it often differs by a hundredth.
Convert everything to decimals in your head. It is the common currency that makes fractions, percentages and sums directly comparable.