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Yunedia Tools

Math Game

A 60-second arithmetic challenge: solve as many problems as you can and beat your best score.

Best: No best score yet for this difficulty.

Pick a difficulty and start. You have 60 seconds; each correct answer scores 1 point.

How to use

  1. Pick a difficulty. Easy uses addition and subtraction within 20; Normal covers all four operations within 100; Hard goes up to three-digit numbers and two-digit multiplication.
  2. Start the 60-second countdown and answer one problem at a time.
  3. Type the answer and press Enter or Answer. A correct answer scores 1 point; a wrong one shows the right answer.
  4. When time runs out you see your final score, answers given, accuracy, and the best score for that difficulty.

Notes

Problems are generated with the Web Crypto API, and division problems always divide exactly. Best scores are kept per difficulty in this browser's localStorage (key: yt-mathgame-best). There is no online play or leaderboard.

FAQ

Can a subtraction answer be negative?
No. Subtraction problems always subtract the smaller number from the larger one.