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Master Divisibility Rules for Quick Math Solutions

Learn essential divisibility rules for numbers 2, 3, 4, 5, 6, 9, and 10. Understand characteristics and examples to easily identify divisibility by numerical checks. Master math shortcuts today!

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Master Divisibility Rules for Quick Math Solutions

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  1. Divisibilty Rules!

  2. A number is divisible by 2 IF: • It is an even number. • This includes all numbers which end in a 0, 2, 4, 6, 8 • Examples- 26; 102; 9,998

  3. A number is divisible by 3 IF: • The sum of the digits is divisible by 3. • Examples- 111; 9, 18, 36, 90

  4. A number is divisible by 4 IF: • The last two digits are divisible by 4. • Examples- 24; 196; 220; 40

  5. A number is divisible by 5 IF: • The ones digit is 0 or 5. • Examples- 100; 9000; 9005; 80; 115

  6. A number is divisible by 6 IF: • The number is divisible by 2 and 3. • Examples- 24; 42; 96

  7. A number is divisible by 9 IF: • The sum of the digits is divisible by 9. • Examples- 18; 45; 108; 909; 540

  8. A number is divisible by 10 IF: • The last digit is 0. • Examples- 10; 20; 30; 9990; 2350

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