6th Grade - Number System:

Number Sense -

Factors and Multiples

Divisibility Rules How can you tell if a number is divisible by 2, 3, 4, 5, 6, 8, 9, 10, 12, or 15?  Learn and practice the divisibility rules on this site
Factor Tree Game Practice finding the prime factorization of a number with this game
Factorize Learn prime factorization through examples and play games to help reinforce your knowledge
Finding Multiples Organize the multiples of one or two numbers on a diagram.
Multiplication Game Use your multiplication facts to get 4 in a row.
Product Game Challenge a friend while working on your factor and multiplication skills