BEAT THE LIGHTNING
Classics
#168Even or odd? #167A million looks big #165Two minus signs #162Look at the fraction before you calculate #161The roots aren't the hard part #159A little π, a lot of signs #157The order is the challenge #155How quickly can you see the shortcut? #154The numbers look bigger than the calculation really is #152Looks like division, Think twice #151Two roots. Two quotients #149Can you solve this without a calculator? #148Sometimes the best calculation is the one you don't do #147The number 2 keeps appearing #132Not every calculation starts where your eyes do
Can you beat the lightning?
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