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WorksheetsExponents and negatives practice
Total questions: 67
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7
?
?
a)
75
b)
76
c)
67
d)
77
2.
Which is equivalent to 24?
a)
8
b)
20
c)
16
d)
12
3.
Which is GREATER?
27 or 72
27 or 72
a)
27
b)
72
c)
Neither, they are equal
4.
What is nine cubed in exponential form?
a)
9 x 9 x 9
b)
93
5.
A scientist reports that a bacteria culture contains 34 bacteria.
How many bacteria is that?
How many bacteria is that?
a)
12
b)
81
c)
7
d)
95
6.
What is the power to this problem?
6 x 6 x 6 x 6 x 6 x 6 x 6
6 x 6 x 6 x 6 x 6 x 6 x 6
a)
6 to the 7th power
b)
6 to the 8th power
c)
7 to the 9th power
d)
10 to the 5th power
7.
Choose the answer.
52
52
a)
10
b)
15
c)
20
d)
25
8.
How would you represent 8⁶ ?
a)
8 x 6
b)
8 x 8 x 6
c)
8 x 8 x 8 x 8 x 8 x 8
d)
6 x 6 x 6 x 6 x 6 x 6 x 6 x 6
9.
Find the equivalent expression.
15×15×15×15
15×15×15×15
a)
154
b)
415
c)
15x4
d)
15+15+15+15
10.
Any number written to the 0 power is always 1
Example: 80=1
Example: 80=1
a)
True
b)
False
11.
34 is bigger than 43.
a)
True
b)
False
12.
Find the equivalent expression.
9 x 9 x 9 x 9 x 9
9 x 9 x 9 x 9 x 9
a)
95
b)
915
c)
9 x 5
d)
9 + 9 + 9 + 9+ 9
13.
To square a number is to use what mathematical operation?
a)
Division
b)
Subtraction
c)
Multiplication
d)
Addition
14.
What is the number in a power that tells how many times the base is used as a factor?
a)
Expression
b)
Exponent
c)
Factor
d)
Term
15.
25 is the same as 2 x 5.
a)
True
b)
False
16.
How do you use exponents to represent numbers?
a)
repeated multiplication
b)
repeated addition
c)
repeated subtraction
d)
repeated division
17.
What does the term "squared" mean?
a)
raised to the power of 3
b)
raised to the power of 4
c)
raised to the power of 2
18.
What does the term"cubed" mean?
a)
raised to the power of 2
b)
raised to the power of 3
c)
raised to the power of 4
19.
Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7
?
a)
75
b)
76
c)
67
d)
77
20.
Write 7.113 x 107 in standard form.
a)
71,130,00
b)
7,113,000
c)
0.0000007113
d)
7,113
21.
Write 2.08 x 102 in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208
22.
Write 6,700 in scientific notation.
a)
6.7 x 103
b)
6.7 x10-3
c)
67 x 102
d)
67 x 10-2
23.
Write 52,300,000 in scientific notation.
a)
5.23 x 107
b)
5.23 x 10-7
c)
52.3 x 106
d)
52.3 x 10-6
24.
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
25.
UNDERSTANDING:
The first number in scientific notation must be...
The first number in scientific notation must be...
a)
between and including 0 and 10
b)
between and including 1 and 9.9999
c)
between and including 0 and 9.999
d)
between and including 1 and 10
26.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
27.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
28.
Which number is greater than the other?
a)
–10
b)
–20
29.
Which number is greater than the other?
a)
–8
b)
3
30.
Which number is greater than the other?
a)
–14
b)
9
31.
Which number is greater than the other?
a)
–7
b)
–9
32.
Which number is less than the other?
a)
–10
b)
–8
33.
Which number is less than the other?
a)
–10
b)
1
34.
Which number is less than the other?
a)
–9
b)
–11
35.
Numbers increase as you go left on the number line?
a)
True
b)
False
36.
Numbers decrease as you go to the left on the number line?
a)
True
b)
False
37.
A diver is 50 ft below sea level. Which integer correctly represents the situation?
a)
50 ft
b)
0 ft
c)
-50 ft
d)
30 ft
38.
Pay $5
Receive $4
Pay $1
Receive $3
Pay $2
Which amounts show a positive amount?
Receive $4
Pay $1
Receive $3
Pay $2
Which amounts show a positive amount?
a)
$4 and $3
b)
$5, $1, and $2
c)
$5 and $3
d)
$1 and $2
39.
Alaska is -3 degrees, Iowa is 5 degrees, Idaho is -7 degrees, New York is 9 degrees, and Maine is -1. Which state has the coldest temperature?
a)
Alaska
b)
Iowa
c)
Maine
d)
Idaho
40.
The quarterback had a 10-yard loss and then a 25-yard gain. Which integer represents a 25-yard gain?
a)
-25
b)
-10
c)
25
d)
10
41.
If it is 8 degrees outside and the temperature drops by 9 degrees what is the new temperature?
a)
1 degree
b)
17 degrees
c)
-1 degree
d)
0 degrees
42.
If the temperature in Chicago is -5 degrees and the temperature in Moscow is 8 degrees colder. What is the temperature in Moscow?
a)
-3 degrees
b)
-13 degrees
c)
3 degrees
d)
13 degrees
43.
If the temperature outside is -11 degrees and it rises by 6 degrees what is the new temperature?
a)
-17 degrees
b)
17 degrees
c)
5 degrees
d)
-5 degrees
44.
I am in a lift and I am on floor 4. If the lift goes down 7 floors what floor am I now on?
a)
floor 11
b)
floor 3
c)
floor -3
d)
floor 7
45.
I have £27 in my bank account. I buy a dress for £33. What is the new balance of my account?
a)
£6
b)
£0
c)
-£6
d)
-£5
46.
What is -4 + - 7?
a)
-3
b)
-11
c)
3
d)
11
47.
What is -9 - - 4?
a)
-13
b)
13
c)
-5
d)
5
48.
What is 18 - - 6?
a)
24
b)
12
49.
-3 + (-2)
a)
-5
b)
5
c)
1
d)
-1
50.
-6 + 7
a)
1
b)
-1
c)
13
d)
-13
51.
18 + (-13)
a)
5
b)
-5
c)
21
d)
-21
52.
-7 + (-8)
a)
-15
b)
15
c)
1
d)
-1
53.
-18 + 12
a)
-6
b)
6
c)
20
d)
-30
54.
3 + (-5)
a)
-2
b)
2
c)
8
d)
-8
55.
8-10 =
a)
-2
b)
2
c)
4
d)
-4
56.
4-8 =
a)
2
b)
-2
c)
4
d)
-4
57.
-4 - 10 =
a)
13
b)
-13
c)
-14
d)
14
58.
-4 - 9 =
a)
-13
b)
13
c)
-14
d)
14
59.
(6+3)x22
a)
36
b)
18
c)
12
d)
72
60.
6+(42-1)
a)
21
b)
13
c)
99
d)
22
61.
(8÷2)x(62-33)
a)
36
b)
108
c)
30
d)
100
62.
4-1+5x22
a)
23
b)
16
c)
32
d)
-7
63.
6x(32-1)
a)
48
b)
17
c)
54
d)
53
64.
4+1x3
a)
7
b)
15
c)
8
d)
9
65.
12÷2x6
a)
36
b)
5
c)
30
d)
1
66.
(4+3)x23
a)
56
b)
28
c)
54
d)
45
67.
9+4x3
a)
21
b)
39
c)
36
d)
24
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