TernQuest
Math game · 1st grade – 5th grade

🔍 Math Mistake Mystery

Bolt the robot made ONE mistake — tap the wrong step or the broken diagram, fix it, and crack the case!

Practises: Error analysis: find & fix the mistake · Part of a paid plan
🔒 This one is part of the Family Pass

Every game, every narrated story, Pip's hints and parent reports for up to 4 children — $15.99/month or $159.90/year. Free games are marked on the games page.

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What does Math Mistake Mystery teach?

Math Mistake Mystery is a math game for 1st grade – 5th grade that practises error analysis: find & fix the mistake. Like every TernQuest game it is tied to a skill on the curriculum map (state standards — Common Core, NGSS, CSTA and History–Social Science, PK–5), and Pip the tern gives hints, never answers.

Is it free?

It is part of the Family Pass. A free account includes 50+ arcade games and every narrated story for one child; the Family Pass unlocks everything for up to 4 children.

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