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WorksheetsNumber Sense Review Friday 11/9/18
Total questions: 85
Worksheet time: 1hrs 19mins
Name
Class
Date
1.
What decimal is equivalent to 1/10?
a)
0.1
b)
10.1
c)
1.10
d)
10
2.
What decimal is equivalent to 3/4?
a)
0.34
b)
3.4
c)
0.75
d)
4/3
3.
What decimal is equivalent to 3/5?
a)
0.35
b)
0.4
c)
0.3
d)
0.6
4.
What decimal is equivalent to 1/2?
a)
0.5
b)
0.12
c)
1.2
d)
0.4
5.
What decimal is equivalent to 9/10?
a)
0.9
b)
9.0
c)
9.10
d)
10.9
6.
What decimal is equivalent to 1/3?
a)
0.13
b)
0.3
c)
0.33...
d)
0.31
7.
What decimal is equivalent to 7/10?
a)
1/7
b)
7.0
c)
0.07
d)
0.7
8.
What decimal is equivalent to 1/5?
a)
0.2
b)
0.1
c)
0.15
d)
0.51
9.
What fraction is equivalent to 0.5?
a)
1/2
b)
1/5
c)
0/5
d)
2/5
10.
What fraction is equivalent to 0.7?
a)
1/7
b)
7/10
c)
7/100
d)
7/1
11.
What fraction is equivalent to 0.8?
a)
8/1
b)
4/5
c)
8/100
d)
8/1
12.
What fraction is equivalent to 0.66....?
a)
6/10
b)
60/100
c)
2/3
d)
1/3
13.
What fraction is equivalent to 0.25?
a)
2/5
b)
1/4
c)
3/8
d)
5/2
14.
What fraction is equivalent to 0.75?
a)
3/4
b)
7/5
c)
75/10
d)
5/7
15.
What fraction is equivalent to 0.1?
a)
1/5
b)
1/10
c)
1/100
d)
1/1000
16.
What fraction is equivalent to 1.2?
a)
6/5
b)
12/1
c)
1/2
d)
12/5
17.
What decimal is equivalent to 1 3/4?
a)
1.34
b)
1.75
c)
1.25
d)
1.43
18.
.125 is what fraction?
a)
1/8
b)
1/2
c)
1/3
d)
1/4
19.
.50 is what as a fraction?
a)
1/3
b)
1/4
c)
1/2
d)
1/8
20.
.75 is what as a fraction?
a)
3/4
b)
1/5
c)
2/5
d)
1/2
21.
.375 is what as a fraction?
a)
2/3
b)
1/5
c)
1/8
d)
3/8
22.
1/4 a a decimal:
a)
.90
b)
.80
c)
.25
d)
.15
23.
3/4 as a decimal:
a)
.75
b)
.80
c)
.50
d)
.25
24.
1/10 as a decimal:
a)
.9
b)
.10
c)
.11
d)
.100
25.
1/8 as a decimal:
a)
.13
b)
.785
c)
.125
d)
.18
26.
a)
1/10
b)
1/100
c)
1/1000
d)
1/10,000
27.
10-2 as a Fraction
a)
-1/100
b)
-1/1000
c)
1/100
d)
1/100,000
28.
10-3 as a Fraction
a)
1/10
b)
1/1000
c)
-30
d)
1/30
29.
10-4 as a Fraction
a)
1/10,000
b)
1/100,000
c)
-40
d)
1/40
30.
10-1 as a Decimal
a)
.1
b)
-.1
c)
-.01
d)
.01
31.
10-2 as a Decimal
a)
.02
b)
.001
c)
.01
d)
-.001
32.
10-3 as a Decmial
a)
-.001
b)
-.003
c)
-30
d)
.001
33.
10-4 as a Decimal
a)
.0001
b)
.00001
c)
-.00001
d)
-.0001
34.
Match the equivalent form.
a)
10-1
b)
10-2
c)
10-3
d)
10-4
35.
Match the equivalent form.
a)
1/1000
b)
.001
c)
.000001
d)
1/10,000
36.
Match the equivalent form.
a)
104
b)
1/10,000
c)
10-3
d)
.00001
37.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
38.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
39.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
40.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
41.
Express the following in standard notation:
8.025 x 10-8
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
42.
Express the following in scientific notation:
0.0000002203
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
43.
What is scientific notation?
a)
A long way to write really short numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
44.
How many zeros would be in this number if written in standard form?
6.47 x 1011
6.47 x 1011
a)
11
b)
9
c)
10
d)
12
45.
Which one of these is in scientific notation?
a)
8.987000
b)
8.98 x 106
c)
80.987 x 10
d)
8.986
46.
What is the standard form?
1.245 x 103
1.245 x 103
a)
0.001245
b)
12.45
c)
1245
47.
Put the following number in scientific notation:
4,281
4,281
a)
4.281 x 103
b)
0.4281 x 104
c)
4.281 x 10-3
d)
42.81 x 102
48.
Which of the following is written in scientific notation?
a)
21 x 105
b)
4.75 x 10-3
c)
2 x 58
d)
8.111 x 103.6
49.
108
a)
10,000
b)
100,000
c)
100,000,000
d)
1,000,000,000
50.
Write 1/102 using negative exponents.
a)
1/10−2
b)
10−2
c)
−102
d)
2−10
51.
Select the correct answer.
10 - 2 is the same as:
10 - 2 is the same as:
a)
-1/102 and 0.02
b)
-1/102 and -0.02
c)
1/102 and -0.01
d)
1/102 and 0.01
52.
Which is the correct exponent ? 0.000001 = 10?
a)
6
b)
5
c)
-6
d)
5
53.
Select the value equivalent to 10-2 ?
a)
0.01
b)
0.001
c)
0.02
d)
0.002
54.
Which is a true statement?
a)
10-3 = 0.001
b)
10-5 = 0.0001
c)
10-1 = 0.01
d)
10-2 = 0.001
55.
Which power of ten is equivalent to 1 ?
a)
101
b)
10-1
c)
100
d)
10-2
56.
Which is a true statement?
a)
10-3 = 0.001
b)
10-5 = 0.0001
c)
10-1 = 0.01
d)
10-2 = 0.001
57.
Write the following in standard form:
106
106
a)
0.000001
b)
0.00001
c)
1,000,000
d)
100,000
58.
Write the following as a power of 10:
0.00001
0.00001
a)
105
b)
10-5
c)
104
d)
10-4
59.
1/100,000 is equivalent to
a)
10-4
b)
10-5
c)
104
d)
105
60.
Write 1/102 using negative exponents.
a)
1/10−2
b)
10−2
c)
−102
d)
2−10
61.
What is 10-4 in standard notation?
a)
.001
b)
.0001
c)
10,000
d)
100,000
62.
Express the following number in powers of ten:
0.000000001
0.000000001
a)
10-8
b)
10-9
c)
10-10
d)
108
63.
0.0001 is equivalent to _
a)
1/102
b)
1/103
c)
1/104
d)
103
64.
-2 - (-8)
a)
6
b)
-6
c)
-10
d)
10
65.
0 - 16
a)
16
b)
0
c)
-16
d)
5
66.
18 - (-4)
a)
-22
b)
4
c)
22
d)
-4
67.
-10+4
a)
-14
b)
14
c)
-6
d)
6
68.
-20+(-11)
a)
31
b)
9
c)
-9
d)
-31
69.
-12 + 9
a)
21
b)
3
c)
-3
d)
-21
70.
-7 x 4
a)
24
b)
28
c)
-28
d)
-24
71.
-27 / -27
a)
0
b)
-0
c)
1
d)
-1
72.
12 x -4
a)
-24
b)
-36
c)
-60
d)
-48
73.
-6 x 7
a)
42
b)
-42
c)
48
d)
-48
74.
-9 + 9
a)
18
b)
-18
c)
0
d)
81
75.
-6 x 7
a)
42
b)
-42
c)
48
d)
-48
76.
-4 + 9
a)
5
b)
-5
c)
13
d)
-13
77.
8 - 12
a)
4
b)
-4
c)
-6
d)
-8
78.
-6 x 7
a)
42
b)
-42
c)
48
d)
-48
79.
14 - 20
a)
34
b)
-6
c)
6
d)
-11
80.
-9 + 9
a)
18
b)
-18
c)
0
d)
81
81.
5 - (-12)
a)
-7
b)
7
c)
17
d)
-17
82.
- 2 + - 9
a)
-11
b)
11
c)
-7
d)
7
83.
7 - 26
a)
-19
b)
19
c)
33
d)
-33
84.
- 9 + 7
a)
-2
b)
2
c)
16
d)
-16
85.
-8 - 6
a)
-2
b)
2
c)
-14
d)
14
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