katzen rechnen
A free math game — play it in your browser, no install. Adaptive maths game for grades 1, 5 and 9: a kitten grows with every right answer. Plays in the browser, offline, without an account.
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A maths practice game for school children. Every correct answer helps a kitten grow into a big cat over 16 illustrated stages, and a cheeky parrot shows up after mistakes. The difficulty adapts to the child, progress is tracked separately for three school levels, and everything runs in the browser without an account or an internet connection. The game is in German; some of the settings for adults are also labelled in Russian.
The topics are a practice selection, not a full curriculum. Tasks are either multiple choice or typed in on an on-screen keypad.
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