Download I.D. 105 Practice Exam 1

I.D. 105 Practice Exam 1
Change this base 4 number to base 10
1.
30.2
a)
b)
c)
d)
12.2
12.5
48.1
48.7
Change these base 2 numbers to base 10
2.
111
a)
b)
c)
d)
3.
3
7
8
6
0.101
a)
b)
c)
d)
.22
.125
.625
.01
Change the base 10 number to base 6.
4.
46
a)
b)
c)
d)
64
114
60
55
Change the base 10 number to base 2.
5.
24
a) 10001
b) 10101
c)
1111
d) 11000
“Fill in” the missing counting number.
6.
…200, 201, 202, 203, 204, _____, 211.
a)
b)
c)
d)
205
201
210
200
Do the indicated operations.
7.
-10 - (-11) =
a)
b)
c)
d)
8.
–21
21
-1
1
((-8) x 2) ÷ (-4) =
a)
b)
c)
d)
3
-3
4
48
Version 1, Rev 2
1
2/13/2006
I.D. 105 Practice Exam 1
9.
⎛ −8⎞ 3
⎜
⎟÷
⎝ 3 ⎠ 5 =
a)
b)
c)
d)
2.85
1.6
-0.4
-4.4444…
3 2
−
10. 8 5 =
a)
b)
c)
d)
.025
.45
-.025
-.45
Identify the following numbers as rational or irrational.
3
11.
10
13. 0.38
a) rational
b) irrational
a) rational
b) irrational
2.2
12. 1.4
a) rational
b) irrational
Use the number line shown here to answer the following questions.
-5
-4
-3
A
-2
-1
0
1
B
4
5
16. This is the position of the rational
number − 8 :
A
B
C
D
4
a)
b)
c)
d)
15. This is the position of the smallest
number pointed at on the number line:
a)
b)
c)
d)
3
C
14. This is the position of the irrational
number (8)1/4:
a)
b)
c)
d)
2
A
B
C
D
A
B
C
D
Read the abacus.
17.
a)
b)
c)
d)
100
4.253
42.53
425.3
4253
Version 1, Rev 2
2
2/13/2006