Math CH2 6th
  • 1. Fill in the blank: Greatest Common ___________
A) MULTIPLE
B) LEAST
C) DENOMINATOR
D) FACTOR
  • 2. What is the GCF of 24 and 30?
A) 3
B) 12
C) 6
D) 2
  • 3. What is the GCF of 14 and 22?
A) 7
B) 1
C) 14
D) 2
  • 4. What is the GCF of 8 and 10?
A) 1
B) 2
C) 4
D) 3
  • 5. What is the GCF of 18 and 24?
A) 8
B) 3
C) 9
D) 6
  • 6. Find the GCF of 21 and 28
A) 3
B) 4
C) 7
D) 14
  • 7. Fill in the blank: Least ___________Multiple
A) Denominator
B) Least
C) Factor
D) Common
  • 8. Which choice lists all the factors for the number 24?
A) 1, 2, 3, 4, 6, 8, 12, 24
B) 1, 2, 4, 5, 6, 8, 12, 24
C) 2, 3, 4, 6, 8, 12, 24
D) 2, 3, 4, 6, 8, 12, 24, 36
  • 9. Identify the number that is multiple of 9...
A) 78
B) 79
C) 80
D) 81
  • 10. Find the GCF of: 30 and 10
A) 5
B) 25
C) None
D) 10
  • 11. Find the GCF of: 40 and 24
A) 16
B) 22
C) 14
D) 8
  • 12. Find the GCF of: 12 and 36
A) 16
B) 4
C) 24
D) 12
  • 13. Which of these numbers is a multiple of 18?
A) 2
B) 35
C) 6
D) 54
  • 14. Find the GCF of: 2 and 4
A) 42
B) 4
C) 8
D) 2
  • 15. Find the GCF of: 32 and 16
A) 8
B) 16
C) 32
D) 64
  • 16. Find the GCF of: 39 and 15
A) 3
B) 2
C) 195
D) 9
  • 17. Find the GCF of: 20 and 50
A) 2
B) 10
C) 4
D) 100
  • 18. Find the GCF of: 48 and 24
A) 48
B) 12
C) 2
D) 24
  • 19. Find the GCF of: 18 and 30
A) 9
B) 21
C) 6
D) 3
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