Encircle the letter of the correct answer.

1. How will you arrive at the answer?
A. Through GCF C. Through common factor
B. Through LCM D. Through common multiple
2. When will they see each other again at home?
A. after 2 days C. after 4 days
B. after 3 days D. after 5 days
3. What do we call this number that can be used as a factor of all
numbers?
A. composite number C. Prime number
B. decimal number D. special number
4. The greatest common factor of these numbers is 18.
A. 54 and 62 C. 54 and 82
B. 54 and 72 D. 54 and 92
5. 150 is the least common multiple of what number?
A. 30 and 75 C. 30 and 55
B. 30 and 65 D. 30 and 45
6. What is the least common multiple of 6 and 14?
A. 42 B. 52 C. 62 D. 72
7. 84 is the correct least common multiple of what number?
A. 21, 42, and 84 C. 21, 42, and 86
B. 21, 42, and 85 D. 21, 42, and 87
8. How are you going to solve the problem?
A. Through GCF C. Through common factor
B. Through LCM D. Through common multiple
9. What is the answer in the problem?
A. 4 yards B. 32 yards C. 56 yards D. 84 yards
10. What is the longest length of the wood which can be cut from 18
cm- long and 30 cm long without wasting any part of it?
A. 6 cm B. 9 cm C. 18 cm D. 30 cm