Free
Math Games 
by HelpingWithMath.com Prime Number or Composite Number? 

This work is licensed under a Creative Commons AttributionShareAlike 2.5 Canada License. 
Related ResourcesThe resources listed below are aligned to the same standard, (4OA04) re: Common Core Standards For Mathematics as the Factors and multiples game shown above. Find all factor pairs for a whole number in the range 1 to 100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1 to 100 is a multiple of a given onedigit number. Determine whether a given whole number in the range 1 to 100 is prime or composite. Charts
Examples/ Guidance
GamesTarget GameNumber lines
Worksheets
