## Contributors

Direction: This is a test  is the to see how well and how fast you can work with numbers. With some problems you may be able to find the correct answer mentally. Do this whenever you can. Select your answer from the choices given.

1. In which of the numerals below does the digit 5 means 50?
15589
125567
1567
653
5109

2. The difference of 87 and 23 is
63
04
64
70
65

3. the equivalent form of 0.000497
4.97 x 10^-4
4.97 x 10^-5
49.7 x 10^-4
497 x10^3
4.970

4. Which of the following fractions has the greatest value?
2/3
3/4
7/12
5/6
2/4

5. Covert 3/5 to 20ths
12/20
3/5
3/5 20
1/20
6 6/20

6. Add 2 3/4 and 1 1/2
4 2/4
4 1/2
4 1/4
4 3/4
4

7. from 3 1/8 take 1 1/2
1 3/8
1 3/5
2 5/7
1 1/2
1 5/8

8. Multiply 2/3 X 4/5
3 1/2
8/15
1 2/5
4/ 5
1/2

9. Calculate -7.82 = (-3.39)
-12.11
3.23
10.21
-11.21
-21.11

10. The sum of 76 184 and 146 302 subtracted from the sum of 81 346 and 152 025 gives ____
10 885
8793
6541
5394
88793

11. the product of 27.5 and 4.02 added to the product of 15.7 and 0.35 equals ____
11.64
111.64
16.45
116.045
166.045

12. factor x62 + 5x + 2x + 10 by grouping
(x+5)(x-2)
(x-5)(x+2)
(x+5)(x+2)
(x-5)(x-2)
(x-5)(2-x)

13. What is the scientific notation for 0. 000045
4.5 x 10^-5
45x 10^-4
.45 10^-2
.450 x10^-5
4.5x 10^-4

14. Find the value of (2x62 + 4x - 9)
0
1
2
3
4

15. Find the quotient of 72 000 divided by 9 000
880
881
801
80
8

16. What is the value pf (-15)^3
-5625
-3375
3375
5625
5635

17. If 8/x + 10/13, then x is equal to ___
4.10
6.2
10.4
11
13

18. give the quotient of .9531 ÷ .27
3.353
3.53
35.3
353
33.53

19. find the missing term n in the proportion: 3:7 = N:28
6
7
9
10
12

20. What is the value of 625 1/2?
15
25
25
45
50

Score =

1. how was nos. 14 and 20 solved? as #14 doesn't have any supporting details and can't even be understood well and #20.. how is that?

1. My thought exactly

2. #20 is 625^1/2

#14 is still a mystery haha

3. #14 round it off to the nearest whole number

4. number 20 is easy its 25 multiplied by itself is 625 just try to make another eq if you cannot divide

2. Love it. Got it 1 mistake on my first try... by pure mental calculation only. I thought I've already forgotten these things.

1. Hi. May I know how did you get the answer to number 9?

3. 60% the moment i decided to get a pepre, I started getting correct answers. I just screwed up mentally,xD

4. Please gimme #14 equation... Thank u..

5. 6. I really love math but math hate me :3

1. I feel you.

7. 90%, woohoo! :3

8. 9. 10. 11. 12. 13. 14. I Got 50% Thank you so Much :)
-Saira Arabain Bantasan

15. 10 % proud student of Batangas State University. Joke i got 80%😏

16. I got 35% ...tsk tsk

17. 75% ... Naku Lord ... Exam ko na bukas ....

18. 75% ... Naku Lord ... Exam ko na bukas ....

1. San ka po nag exam

19. 50% mygashhhh kaya ko kaya to hhhaahah

20. 80 percent ^_^
Naghahanda ako sa NCAE hehe

1. Same same hahaha

21. This comment has been removed by the author.

22. Pano po makuha yung #9 tsaka #14?
Ang gulo po eh..

23. I got 100% so basic

24. reviewer 5/10, I can't even understand some of the questions because the phrasing is confusing

25. 26. faking noooo 40%

27. 