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Divisibility rules

Unit 1 CTY - Divisibilty rules

QuestionAnswer
1 every number
2 the last digit is even
3 the sum of the digits is divisible by 3
4 the last 2 digits are divisible by 4
5 the last digit is 0 or 5
6 the number is divisible by 2 and 3
7 the number without last digit – last digit x 2 = 7
8 the last 3 digits are divisible by 8
9 the sum of the digits is divisible by 9
10 the last digit is a 0
11 digit – digit + digit – digit + digit..... = 11
12 the number is divisible by 3 and 4
Created by: gcossin
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