Divisibility Rules
  • 1. A number is divisible by 2 if:
A) it ends in a 4.
B) it ends in a 5
C) it ends in a 0, 2, 4, 6, or 8
D) it ends in a 1, 2, 4, 6, 8, or 0
  • 2. A number is divisible by 3 if:
A) the sum of the digits is a multiple of 3.
B) it ends in a 0, 2, 4, 6, or 8.
C) it ends in a 5.
D) it ends in a 3.
  • 3. A number is divisible by 5 if:
A) only if it ends in a 5.
B) it ends in a 0, 2, 3, 5, or 6
C) 2 and 3 are satisfied.
D) it ends in a 0 or 5.
  • 4. A number is divisible by 10 if:
A) it ends in a 5.
B) it ends in a 0.
C) it ends in a 0 or 5.
D) no number is divisible by 10.
  • 5. A number is divisible by 6 if:
A) it ends in a 6.
B) no number is divisible by 6.
C) it ends in a 2 or 3.
D) 2 and 3 are satified.
  • 6. A number is divisible by 9 if:
A) no number is divisible by 9.
B) the sum of the digits is a multiple of 3.
C) it ends in a 9.
D) the sum of the digits is a multiple of 9.
  • 7. A number is divisible by 4 if:
A) it ends in a 2, 4 or 8.
B) it ends in a 4.
C) no number is divisible by 4.
D) the last two digits of a number are a multiple of 4.
  • 8. Is the following number divisible by 2: 756
A) yes
B) no
  • 9. Is the following number divisible by 3: 162
A) no
B) yes
  • 10. Is the following number divisible by 4: 744
A) yes
B) no
  • 11. Is the following number divisible by 10: 754
A) no
B) yes
  • 12. Is the following number divisible by 5: 241
A) no
B) yes
  • 13. Is the following number divisible by 9: 648
A) yes
B) no
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