Please answer the following by choosing the correct letter of your answer :3
1. It is a number with more than two factors. ñ
A. composite number B. multiple C. factor D. prime number
2. Which of the following is a composite number?
A. 47 B. 54 C. 59 D. 61 3. Which of these numbers is a prime number?
A. 81 B. 83 C. 87 D. 88
4. How is 48 written as a product of its prime factors?
A. 2 x 2 x 2 x 6 B. 2 x 3 x 8 C. 2 x 2 x 2 x 2 x 3 D. 6 x 8
5. What is the Greatest Common Factor of 18 and 27?
A. 3 B. 9 C. 54 D. 81
6. What is the Least Common Multiple of 12 and 18?
A. 6 B. 12 C. 18 D. 36
7. What is the Least Common Multiple of 8 and 3?
A. 72 B. 24 C. 11 D. 1
8. Laila has two pieces of string for her project. One is 54 cm long and another is 72 cm long. If the project needs pieces of string of the same length, find the greatest length into which the pieces of wire can be cut.
A. 9 cm B. 18cm C. 72 cm D. 216 cm
9. Mr. De Guzman’s class is composed of 24 boys and 18 girls. If he is going to make groups of girls for the activities, what is the biggest number of children in a group if they are of the same number?
A. 6 B. 18 C. 24 D. 36
10. Karen is going to pack cookies in boxes of 6 and 8 pieces. What is the smallest number of cookies that she can pack using the boxes?
A. 2 B. 6 C. 8 D. 24
11. Which of the following is a proper fraction?
A. 1/4 B. 4/4 C. 5/4 D. 1 1/4
12. Which of these fractions is in mixed form?
A. 1/6 B. 6/6 C. 2 1/8 D. 9/2
13. Change 3 1/4 to an improper fraction.
A. 4/4 B. 8/4 C. 12/4 D. 13/4
14. Change 35/8 to a mixed number.
A. 3 4/8 B. 4 3/8 C. 4 8/3 D. 8 3/4
15. The lowest term of 6/9 is
A. 1/9 B. 2/9 C. 1/3 D. 2/3
16. Which of these fractions is equal to 1?
A. 5/1 B. 7/5 C. 5/5 D. 1/5
17. What fraction is equal to 3 1/5 ?
A. 3/5 B. 8/5 C. 15/5 D. 16/5
18. Find the sum of 3/7 and 2/7.
A. 2/7 B. 3/7 C. 5/7 D. 5/14
19. Subtract 2/3 and 1/2 . What is the difference?
