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Originally shared on Hacker News
Maths vs Monsters
This is a mental arithmetic practice game for kids, one of several arithmetic games on the author's homepage.
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Maths vs Monsters
This is a mental arithmetic practice game for kids, one of several arithmetic games on the author's homepage.
Audience: Kids practicing mental arithmetic
Posted by @RobinL · Original comment ↗
“My son also really likes arithmetic annihilation and maths vs monsters.”