Speedsums
How many sums can you do in 30 seconds? A minimalist mental arithmetic sprint that throws quick additions, subtractions and multiplications at you against the clock.
No account needed · sign in to keep your taste everywhere
More like this
Pages that share Speedsums's themes. Or browse all of Gaming.
Doubles
A fast, minimalist mental-math game: type the double of each random number as quickly as you can, and see how long you l…
Zetamac Arithmetic Game
A timed speed drill for mental arithmetic where you answer as many addition, subtraction, multiplication and division pr…
Mathic
A web game for practicing basic arithmetic, a fast math search game with a magical theme that turns mental math drills i…
Brainturk
A free library of brain training exercises, riddles, and teasers designed by researchers around principles of neuroplast…
Test Your Memory
A short, free online memory test originally designed as a simple cognitive screening tool, offered here as a quick and s…
Memocamp
A memory-sports training site offering timed exercises in card memorization, number recall, and image sequences, the sam…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.