Math is your superpower

Subtract your way to the stars!

Explore integer subtraction with Nova, earn treasure, and become a fearless number hero.

🦊

Level 1Explorer

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0 🪙Treasure found

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Collect them all

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Ready, set, subtract!Answer a question to earn your first reward.

Adventure1 / 5

7 − 3 = ?

Pick the correct answer.

Achievement unlocked

🏆

AceUpPrep certificate

Integer Subtraction Champion

Presented to Number Hero for adventurous problem-solving and determined practice.

AceUpPrep • 2026