Marcus Math

Say the answer out loud. Fast correct answers build your streak.

Maximum nonsense mode activated.

Start The Brain Blast

Pick a symbol on the right, then click the gigantic button or say a launch phrase to begin.

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Correct 0

Tries 0

Streak 0

Best Ever 0

Best 5 Min 0

Working set: 0 facts | Due now: 0 | Mastered: 0/53

🐣 Tiny Egg Level 1

Master 3 facts to unlock Level 2.

0 mastered 3 for next level

Coach Dino says: warm the brain wheels, king. Opening prep starts now. Next unlock: 3 more mastered facts.

What is

4 × 9

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Best in Chrome or Edge. Player symbols sync across devices when the server is reachable, with local fallback on this device.