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Why mental maths?
Quick number sense saves minutes in every exam and makes harder topics feel lighter.
Free game
The 60-second math challenge
Answer as many as you can before time runs out. Streaks earn bonus points. Press Enter to submit.
Time60Score0Streak0Best0
Ready?
Pick a level, then press start. The clock begins immediately.
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Streak bonus
Every correct answer in a row adds extra points. One mistake resets your streak.
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Beat your best
Your best score for each level is saved on this device. Challenge a friend to beat it.
Want to get this fast in class too?
Join a free demo class and see how we teach number sense.