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2, 3, 5, 9, 10

___________ ____. 2, 3, 5, 9, 10. “Divisible BY” What does it mean?. “Divisible by” means: If you divide one number by another, the result is a whole number WITHOUT a remainder. Examples: 12 ÷ 6 = 2 No remainder 15 ÷ 5 = 3 No remainder. Divisibility Rule 2.

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2, 3, 5, 9, 10

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  1. ___________ ____ 2, 3, 5, 9, 10

  2. “Divisible BY”What does it mean?

  3. “Divisible by” means: If you divide one number by another, the result is a whole number WITHOUT a remainder. Examples: 12 ÷ 6 = 2 No remainder 15 ÷ 5 = 3 No remainder

  4. Divisibility Rule 2 A number is divisible by 2 if the last digit is even. (0, 2, 4, 6, 8) Examples: 78 3470 Review Even numbers: ghosteven

  5. Now You Try: Which number IS NOT divisible by 2? 572 1464 249 Need More Practice: Numbers Divisible by 2

  6. WONDERFUL

  7. It ends in a 0, 2, 4, 6, or 8.

  8. Divisibility Rule 3 A number is divisible by 3 if the sum of the digits is divisible by 3. Examples: 75 : 7 + 5 = 12 , 12 ÷ 3 = 4 No Remainder 369: 3 +6 + 9 = 18 , 18 ÷ 3 = 6 No Remainder

  9. Now You Try: Which number IS NOT divisible by 3? 572 1464 279 Need More Practice: Numbers Divisible by 3

  10. The sum is divisible by 3.

  11. WONDERFUL

  12. Divisibility Rule 5 A number is divisible by 5 if the last digit is a 0 or 5. Examples: 615 ends in a 5 1480 ends in a 0

  13. Now You Try: Which number IS NOT divisible by 5? 9820 779 560 Need More Practice: Numbers Divisible by 5

  14. The number ends in a zero or a five.

  15. Wonderful

  16. Divisibility Rule 9 A number is divisible by 9 if the sum of the digits is divisible by 9. Examples: 963: 9 + 6 + 3 = 18 , 18 ÷ 9 = 2 5445: 5 + 4 + 4 + 5 =18 , 18 ÷ 9 =2

  17. Now You Try: Find the number that IS NOT divisible by 9. 9873 648 5541 Need More Practice: Numbers Divisible by 9 and 10

  18. The sum of the digits is divisible by 9.

  19. Great Job!!!

  20. Divisibility Rule 10 A number is divisible by 10 is it ends in a ZERO. Example: 7630 ends in a zero 410 ends in a zero

  21. Now You Try: Find the number that ISNOT divisibleby 10 56,920 7537 870

  22. The number ends in a ZERO.

  23. Way To Go!!

  24. A Number is divisible by 2if the last digit is even. 3if the sum of the digits is divisible by 3. 5If the last digit is 0 or 5. 9if the sum of the digits is divisible by 9. 10if the last digit is 0.

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