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Math CH2 6th
Contributed by: Rivera
(Original author: Castro)
  • 1. Fill in the blank: Greatest Common ___________
A) DENOMINATOR
B) MULTIPLE
C) LEAST
D) FACTOR
  • 2. What is the GCF of 24 and 30?
A) 12
B) 3
C) 2
D) 6
  • 3. What is the GCF of 14 and 22?
A) 14
B) 7
C) 1
D) 2
  • 4. What is the GCF of 8 and 10?
A) 3
B) 2
C) 1
D) 4
  • 5. What is the GCF of 18 and 24?
A) 6
B) 3
C) 8
D) 9
  • 6. Find the GCF of 21 and 28
A) 3
B) 4
C) 14
D) 7
  • 7. Fill in the blank: Least ___________Multiple
A) Factor
B) Common
C) Least
D) Denominator
  • 8. Which choice lists all the factors for the number 24?
A) 1, 2, 3, 4, 6, 8, 12, 24
B) 2, 3, 4, 6, 8, 12, 24, 36
C) 2, 3, 4, 6, 8, 12, 24
D) 1, 2, 4, 5, 6, 8, 12, 24
  • 9. Identify the number that is multiple of 9...
A) 78
B) 80
C) 81
D) 79
  • 10. What is the Least Common Multiple (LCM) of 5 and 11?
A) 11
B) 25
C) 55
D) None
  • 11. What is the Least Common Multiple of 5, 4, and 10?
A) 20
B) 30
C) 10
D) 40
  • 12. What is the LCM of 3 and 4?
A) 24
B) 16
C) 12
D) 4
  • 13. Which of these numbers is a multiple of 18?
A) 6
B) 54
C) 2
D) 35
  • 14. What is the LCM of 7 and 8?
A) 42
B) 56
C) 8
D) 7
  • 15. This is not a factor for 18:
A) 9
B) 6
C) 3
D) 5
  • 16. This is not a factor for 24:
A) 7
B) 4
C) 2
D) 3
  • 17. This is not a factor for 64:
A) 8
B) 2
C) 32
D) 10
  • 18. This is not a factor for 15:
A) 3
B) 5
C) 1
D) 4
  • 19. This is not a factor for 49:
A) 7
B) 1
C) 49
D) 6
  • 20. This is a factor for all numbers:
A) 3
B) 5
C) 2
D) 1
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