Build mathematical expressions using number and operation cards to create the largest or smallest number possible. Use all cards exactly once within the time limit!
Game Board
Build the largest number possible
Challenge
Time Remaining
60s
Available Cards
Numbers
Operators
Special
Your Expression
Game Stats
0
Correct Answers
0
Questions Attempted
0.0
Avg Cards Used
0.0
Current Score
Previous Questions
No questions attempted yet. Start playing to see your history!
How to Play
Goal: Create the largest or smallest number possible using all cards exactly once.
Time Limit: You have 60 seconds to complete each expression.
Controls: Click cards to add them to your expression. Use Tab to navigate between cards.
Operations: Use +, -, ×, ÷, ^ (power), and ! (factorial) to build your expression.
Scoring: Points for correct answers, questions attempted, and efficient card use.
Keyboard: Use arrow keys to navigate history and Enter to select cards.