Use divisibility rules to factor numbers. 0506.2.4

Links verified on 9/15/2014

1. Divisibility - explanation, worked out examples, and five questions to check for student understanding
2. Divisibility Rules - tell whether a number is divisible by another number (leaving no remainder) without actually doing the division
3. Divisibility Rules - Math Forum explanation why the rules work
4. Divisibility Rules - rules for the numbers one through eleven
5. Divisibility Rules - Easily test if one number can be evenly divided by another, at the bottom of the page you will find links to four questions to check for understanding
6. Divisibility Rules for Prime Numbers - divisibility rules help you guess possible factors accurately
7. Divisibility Rules to Help Simplify Fractions - links to eight lessons, each has examples, practice problems and a quiz
8. Factoring Numbers - near the bottom of the page you will find a list of divisibility rules
9. Factors and Disability Rules Worksheets - at the bottom of the page you will find links to eight worksheets; half are free response and half are multiple-choice
10. Primes, Composites, Square Numbers, Factors, & Divisibility Rules - [Quia Battleship game] Look at the number and answer the question. Then try to sink your opponent's ships
11. Prime Factorization - an Internet4Classrooms page related to this standard
12. Quiz on Divisibility Rules - eleven multiple-choice questions [Note: Don't click on Play, that's an ad] [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
13. Sieve of Eratosthenes and Divisibility Rules in Factoring - examples and four problems to work

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