Prime/Composite Number Think Tac Toe Create a poster that would help a new learner understand the difference between a prime and composite number. Include the words: prime, composite, factor, multiple Read the article titled: The Sieve of Eratosthenes. Using a hundreds chart, complete the activity that is explained through the number 100 (for a challenge, complete through 150) Complete the Prime Factorization worksheet. OR Complete the Prove or Disprove worksheet Using the blank game board, develop a game that will help your friends practice recognizing prime and composite numbers Write a definition for both a prime and composite number Complete 6 of the challenge activities from Primo Mathematics. Create a rap, song or poem that will help someone remember prime and composite numbers Try to use these words: prime, composite, factor, multiple, Complete the activity: Exploring Pascal’s Triangle Read about the great mathematician Eratosthenes. In a report, describe his accomplishments and why his name is often heard when discussing prime and composite numbers. http://www.math.wichita.edu/history/men/eratosthenes.html