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Divisibilty Rules!

Learn the rules for divisibility in math, including by 2, 3, 4, 5, 6, 9, and 10. Examples and explanations provided. Use your notes as a reference when practicing the worksheet.

leilani-tillman
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Divisibilty Rules!

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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- 240; 196; 220; 90,540

  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

  9. Now… • Flip over your notes and begin working on the worksheet. • Use your notes as a reference if you get confused!

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