If you want your students to really understand primes, composites and factors, if you want them to enjoy the lesson and beg for more, this is the activity to make that happen. This intriguing game engages learners in a competitive and strategic exploration of primes, composites, and factors that will help them outwit the Tax Collector. A great warm up or end of class activity, this game can also be used for an entire period or a multi-day exploration. Multiple game boards allow you to adapt and extend the lesson. Homework and answer key are included along with the clear, step-by-step directions.