Topic : Number-Fraction
from: category_eng
1.

2.

3.
Modify the given condition!
4.
E/12 - E/(n-12)
5.

6.
Set Variables
If there are 10 members, what is the share of each member?
7.

8.

9.
y=7a and x=3a
10.
comparison between 1/8 and 1/9
11.

12.

13.

14.

15.

16.
use switch or flip
17.
what is the reciprocal of a ?
18.
understanding problem correctly.
19.

20.

21.

22.
Need to modify it. (3x+6 over x+2) + ( 2 over x+2)
23.

24.
a/b= a divided by b,,, Is it positive or negative?
1/a is a reciprocal of a
25.

26.
change the given to simple one. 6x/5n
27.
not changed!!
28.
0, -1, -4 can't be an answer.. so choose either -2 or -3
29.
we know that 0.2+x should be... what is the best way to save time?
30.

31.
You need a variable so that you can express the situation mathematically.
32.

33.
2/3 T = 18 and 1/3 of T=?
34.

35.
Set Variables
n=1/4t+t
36.
Set Variables
24 is 1/2 of 48. In this case, what fraction of 48 is 24?Therefore, to answer for the question, u need to have 48 and 24.
37.
need to get rid of s. Therefore, we need to get a relationship between s and t.
38.

39.
fraction can be transfer to percentage problem
40.

41.
You need variables to calculuate the total work.
42.
Express your idea 1/2 + 1/2*1/2 +1/2 *1/2*1/2 +1/2 *1/2 *1/2*1/2
1.
2. c
3. C
Modify the given condition!
4. e
Mathematical Writing
E/12 - E/(n-12)
E/12 - E/(n-12)=E(n-24)/12 (n-12)=
5. A
6. D
Mathematical Writing
If there are 10 members, what is the share of each member?
(1)60/4
(2)60/x + 2 = 60/(x-5)
7. B
8. B
9. D
y=7a and x=3a
10. B
comparison between 1/8 and 1/9
11. E
12. D
13. a
14. d
15. A
16. E
use switch or flip
17. D
what is the reciprocal of a ?
18. D
understanding problem correctly.
19. c
20. A
21. d
22. b
Understanding
Need to modify it. (3x+6 over x+2) + ( 2 over x+2)
23. 1
24. D
a/b= a divided by b,,, Is it positive or negative?
1/a is a reciprocal of a
25.
26. A
change the given to simple one. 6x/5n
27. A
not changed!!
28. C
0, -1, -4 can't be an answer.. so choose either -2 or -3
29. B
we know that 0.2+x should be... what is the best way to save time?
30. b
31. D
You need a variable so that you can express the situation mathematically.
32. E
33. b
2/3 T = 18 and 1/3 of T=?
34. e
35. D
Mathematical Writing
n=1/4t+t
36. C
Mathematical Writing
24 is 1/2 of 48. In this case, what fraction of 48 is 24?Therefore, to answer for the question, u need to have 48 and 24.
1/2 X + 2/3 Y = 1/2 (1/2 Y) + 2/3 Y =(1/4+ 2/3)Y
You should express the situation by number and vars.
1/4+2/3= 11/12
37. D
need to get rid of s. Therefore, we need to get a relationship between s and t.
38. C
39. d
fraction can be transfer to percentage problem
40. A
41. E
You need variables to calculuate the total work.
42. A
Express your idea 1/2 + 1/2*1/2 +1/2 *1/2*1/2 +1/2 *1/2 *1/2*1/2