Equations flash on screen — tap the correct answer from two choices. Operations escalate from addition to multiplication and beyond. The faster you go, the higher your multiplier climbs.
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Addition, subtraction, multiplication, division. Harder difficulties add fractions.
The circle turns green. Tap it as fast as you can. 10 rounds.
The word says RED but it's written in blue. Tap the ink colour, not the word.
Numbers 1-20 scattered on screen. Tap them in order. As fast as possible.
Targets appear and shrink to nothing. Tap them before they disappear.