Grade 8 Quiz Bee

1. QUIZ BEE
MATH 8

2. EASY
ROUND
2

3. 1. Solve 24÷8+2.
a. 5
b. 6
c. 8
d.12

4. a. 5
4

5. 2. Which of the following
can be factored using
the difference of two
squares?.
a. 3x2- 4x4
b. x2- 81
c. a4- 64b3
d. 9b2- 144c3

6. b. x2- 81
6

7. 3. In which quadrant can
be found the ordered
pair( 4, -9)?.
a. Quadrant I
b. Quadrant II
c. Quadrant III
d. Quadrant IV

8. d. Quadrant IV
8

9. 4. What is the average
of the following
numbers 100, 180, 440
, 80?
a. 200
b. 180
c. 120

10. a. 200
10

11. 5. Find the value of 5x
- 6y - 8z if x = 2, y = 3
and z = -2.
a. - 8
b. 18
c. 8
d. 5

12. c. 8
12

13. _ out of 5
?%

14. AVERAGE
ROUND

15. 1. A number is 7 times
greater than another
number. If their sum is 96,
find the numbers.
a. 49, 51
b. 84, 12
c. 21, 75

16. b. 84, 12
16

17. 2. Becky is tossing a six-
sided number cube labeled 1,
2, 3, 4, 5, and 6. What is the
probability of tossing 6 two
times in a row?
a. 1/6
b. 1/36
c. 1/3

18. b. 1/36
18

19. 3. What is the value of x in
3(x – 4) = –21?
a. x = 3
b. x = –3
c. x = 4

20. a. x = 3
20

21. Given the figure, what is the
solution?
a. (-1, -1)
b. ( 1, -1)
c. (-1, 1)

22. b. ( 1, -1)
22

23. 5. Solve the system of
equations by substitution.
y = -4x + 5
y = 3x - 16
a. (3,-7)
b. 11, 17)
c. -3, -25)

24. a. (3,-7)
24

25. _ out of 5
?%

26. DIFFICULT
ROUND
26

27. 1. The mean of a set of
40 numbers is 60,and
the mean of another set
of 35 numbers is 30.
What is the mean when
the two sets are
combined?

28. 46
28

29. 2.Senior citizens got 20%
discount for admission
tickets in a movie house
priced at Php250 per adult.
If 1,00 tickets were sold and
the total receipts were Php
231, 000. How many senior
citizens watched the movie
?

30. 380
30

31. 3. Von can do a
carpentry job in 45
minutes while his
brother JR can do the
job in 36 minutes. How
long will it take them to
finish the job if Von and
JR work together?

32. 20 minutes
32

33. 4. A man has x pesos. If
he spends y centavos,
how many pesos has he
left?.

34. (x – y/100)
pesos
34

35. 5. Claudine is
participating in a
cosplay contest. If she
can choose rom 5
different outfits, 4 wigs
and 8 props, how many
different cosplay
costume can she make?

36. 160
36

37. _ out of 5
?%

38. Thank you!

39. CLINCHER

40. 1.Find two integers
whose sum is 8 and
whose difference is 12?

41. -2 and 10
41