Sigma Summation and Factorial: Level Four
Numbers 3D Game
Sum a Series of Integers and Integers Squared
Have fun learning about the Sigma Σ summation and factorial ! symbols. Tap the Play button to start the timer. For details regarding game play tap the ? icon above. Warning this level can be very challenging without a cheat sheet!
A series of questions display below the landscape, one at a time. Each question asks you to find the expression which evaluates to a specific number. Quickly tap digits, Σ Sigma, and ! factorial symbols, to form the correct expression. As soon as you answer a question, the next question displays. The game's over when the timer runs out or you've answered every question.
Digits and symbols
display below the background
as you build the expression.
Each correct selection increases
your score by
The maximum score for level four equals
Enter a name in the form below to post your score online, when the game's over.
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