Wednesday, June 13, 2012

Remember for the Exam: Divisibility Rules

0) Ends in zero
1) All numbers
2) Even numbers
3) Sum of digits is three
4) Divisible by two twice
5) Ends in zero or five
6) Divisible by two and three
7) None, use a calculator
8) Divisible by two thrice
9) Sum of digits is nine
10) Ends in zero

No comments:

Post a Comment