Illuminations: Factor Game

The Factor Game engages students in a friendly contest in which winning strategies involve distinguishing between numbers with many factors and numbers with few factors.

Students are then guided through an analysis of game strategies and introduced to the definitions of prime and composite numbers.


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Math Topics
Multiplication & Division, Types of Numbers (Odd, Even, Prime, Composite)
K-6, Middle School, Educator
4th Grade, 5th Grade, 6th Grade, 7th Grade

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Illuminations (National Council of Teachers of Mathematics)

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