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WorksheetsUnit 1 Review
Total questions: 79
Worksheet time: 3hrs 37mins
Name
Class
Date
1.
The numbers 0, 1, 2, 3, ... are called
a)
whole numbers
b)
integers
c)
rational numbers
d)
natural numbers
2.
Numbers like -3, -2, -1, 0, 1, 2, 3 are called
a)
whole numbers
b)
integers
c)
rational numbers
d)
natural numbers
3.
A rational number can be written as a fraction.
a)
True
b)
False
4.
-10 is a whole number
a)
True
b)
False
5.
0.8 is a rational number
a)
True
b)
False
6.
-9 is an integer
a)
true
b)
False
7.
convert to a mixed number: 12/5=
a)
1 2/5
b)
2 2/5
c)
7/5
d)
3 1/5
8.
Compare: -9 ? -1
a)
>
b)
<
c)
=
9.
convert to a mixed number: 15/7=
a)
1 3/7
b)
2 1/7
c)
1/7
d)
3 3/7
10.
.8
a)
4/3
b)
4/5
c)
8/100
d)
8/1000
11.
Order these numbers in descending order.
2, -5, -9
2, -5, -9
a)
2, -5, -9
b)
-5, -9, 2
c)
-9, -5, 2
d)
2, -9, -5
12.
What is the decimal equivalent of 3/5?
a)
0.3
b)
3.5
c)
0.6
d)
0.2
13.
What fraction is represented at point A?
a)
4/5
b)
3/1
c)
3/4
d)
1/3
14.
What fraction is represented at point S?
a)
1/4
b)
2/6
c)
1/5
d)
2/5
15.
What is the opposite of 2?
a)
2
b)
-2
c)
None of these
16.
What is the opposite of -5?
a)
5
b)
-5
c)
None of these
17.
What is the absolute value of a number?
a)
How far it is from zero on the number line
b)
The opposite
c)
Always negative
d)
None of these
18.
What is the absolute value of -6?
a)
6
b)
-6
c)
None of these
19.
What is the absolute value of 12?
a)
12
b)
-12
c)
None of these
20.
What is the absolute value of -7?
a)
7
b)
-7
c)
None of these
21.
What number below is a whole, integer, and rational number ?
a)
-4
b)
5.1
c)
0.7
d)
3
22.
What is the absolute value of | 8 |?
a)
8
b)
-8
c)
0
d)
16
23.
Select the true statement
a)
|-220| = -220 and 220
b)
-|220|= 220
c)
|-220|= 220
d)
|-220|= -220
24.
I -808 I
a)
808
b)
-808
c)
-808 and 808
d)
1/808
25.
Negative numbers are
a)
less than zero
b)
greater than zero
26.
Zero is neither negative nor positive. True or False?
a)
True
b)
False
27.
Is absolute value always positive?
a)
yes
b)
no
28.
Which shows the integers in order from greatest to least?
a)
20,6,-2,-13
b)
-2,6,-13,20
c)
-13,-2,6,20
d)
20,-13,6,-2
29.
Darrel is currently 20 feet below sea level. Which correctly describes the opposite of Darrel's elevation?
a)
20 feet below sea level
b)
20 feet above sea level
c)
2 feet below sea level
d)
At sea level
30.
Express an integer: a debt of $50
a)
50
b)
-50
31.
Express as an integer: at sea level
a)
0
b)
-0
c)
1
d)
-10
32.
Which symbol belongs between the integers? -6 4
a)
<
b)
>
c)
=
33.
Which symbol belongs between the integers? -3 -6
a)
<
b)
>
c)
=
34.
Write the integer for a profit of $35
a)
-35
b)
+35
35.
Which integer represents the situation? You deposit $50 into your bank account.
a)
50
b)
-50
c)
5
d)
-5
36.
Which integer represents this situation? You hike 100 feet down a mountain.
a)
100
b)
-100
c)
10
d)
-10
37.
Compare these two integers. -5_4
a)
>
b)
=
c)
<
d)
none
38.
Order the integers from least to greatest. 4, –4, –2, 2, –8
a)
4,-4,-2,2,-8
b)
4, 2, -2, -4, -8
c)
-8, -4, -2, 2, 4
d)
8, 2, -24, -4
39.
Zero is greater than any positive number.
a)
True
b)
False
40.
One is greater than any negative number.
a)
True
b)
False
41.
What is the definition of integers
a)
a set of positive whole numbers, their opposites, and 0
b)
a set of negative whole numbers
c)
positive and negative numbers
d)
any number you can graph on a number line
42.
Compare: -9 __ -1
a)
>
b)
<
c)
=
43.
-10 __ -100
a)
>
b)
<
c)
=
44.
Compare: 6 ? -3
a)
=
b)
>
c)
<
45.
Compare: 18 ? 23
a)
>
b)
<
c)
=
46.
Order from least to greatest:
[10, -5, 3, 16, -1, 0, 1]
[10, -5, 3, 16, -1, 0, 1]
a)
-1, -5, 0, 1, 3, 10, 16
b)
16, 10, 3, 1, 0, -1, -5
c)
-5, -1, 0, 1, 3, 10, 16
d)
0, -1, 1, 3, -5, 10, 16
47.
Order from least to greatest:
[-2, 4, 23, -1, 5, -3, 6]
[-2, 4, 23, -1, 5, -3, 6]
a)
-3, -2, -1, 4, 5, 6, 23
b)
23, 5, -1, -3, -2, 4, 6
c)
-1, -2, -3, 4, 5, 6, 23
d)
4, 5, 6, 23, -1, -2, -3
48.
Order from least to greatest:
[8, 4, -5, 12, -14, 3]
[8, 4, -5, 12, -14, 3]
a)
3, 4, -5, 8, 12, -14
b)
-14, -5, 3, 4, 8, 12
c)
12, -14, -5, 3, 4, 8
d)
-5, -14, 3, 4, 8, 12
49.
Order from least to greatest:
[-8, 7, -6, 5, -4, 3, -2]
[-8, 7, -6, 5, -4, 3, -2]
a)
-2, 3, -4, 5, -6, 7, -8
b)
-2, -4, -6, -8, 3, 5, 7
c)
-6, -8, -4, -2, 7, 5, 3
d)
-8, -6, -4, -2, 3, 5, 7
50.
Order the integers from least to greatest. 4, –4, –2, 2, –8
a)
4,-4,-2,2,-8
b)
4, 2, -2, -4, -8
c)
-8, -4, -2, 2, 4
d)
8, 2, -24, -4
51.
What is the GCF of 18 and 24?
a)
3
b)
6
c)
8
d)
9
52.
What is the GCF of 4 and 12?
a)
3
b)
1
c)
6
d)
4
53.
What is the greatest factor of 28 and 49?
a)
1
b)
2
c)
7
d)
12
54.
What is the GCF of 20 and 30?
a)
5
b)
2
c)
10
d)
20
55.
What is the GCF of 20, 44, and 88?
a)
4
b)
2
c)
22
d)
1
56.
GCF stands for...
a)
great calculator festival
b)
giant circumference fact
c)
grouped calculation finder
d)
greatest common factor
57.
List all the factors of 12
a)
1, 2, 3, 4, 6, 12
b)
1, 2, 4, 12
c)
1, 12
d)
1, 2, 3, 4, 5, 6, 12
58.
List all the factors of 18
a)
1, 6, 9, 18
b)
1, 2, 3, 4, 18
c)
1, 2, 3, 6, 9, 18
d)
2, 6, 9, 18
59.
GCF of 24 and 56
a)
2
b)
4
c)
6
d)
8
60.
Which number is a factor of 18
a)
4
b)
7
c)
6
d)
12
61.
Which number is a factor of 21
a)
8
b)
9
c)
6
d)
3
62.
Which number is a factor of 23?
a)
8
b)
4
c)
3
d)
1
63.
list the factors of 10
a)
1,2,3,4,5,6,7,8,9,10
b)
5,10,15,20,25,30
c)
1,2,5,10
d)
10,20,30,40,
64.
what numbers are the factors of 9?
a)
9,18,27,36
b)
1,2,9
c)
1,3,9
d)
0,1,3,9
65.
What is the LCM?
a)
The LCM is the least common factor that both numbers share the least.
b)
The LCM is a multiple that both numbers share the most.
c)
The LCM is a multiple that both numbers share the least.
d)
The LCM is a factor that both numbers share the least.
66.
What is the LCM of 3 and 6?
a)
3
b)
6
c)
12
d)
15
67.
What is the LCM of 4 and 12?
a)
4
b)
8
c)
12
d)
16
68.
What is the LCM of 10 and 12?
a)
12
b)
120
c)
60
d)
80
69.
What is the LCM of 6 and 8?
a)
24
b)
8
c)
48
d)
6
70.
What is the LCM of 2, 4, 6?
a)
6
b)
12
c)
4
d)
2
71.
What is the LCM of 7 and 8?
a)
7
b)
8
c)
42
d)
56
72.
The multiples of 7 are
1,6,7,9,3,6,4
1,6,7,9,3,6,4
a)
True
b)
False
73.
Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?
7 14 22 28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
74.
Fill in the missing multiple.
3: 3, 6, 9, ___, 15, 18, 21
3: 3, 6, 9, ___, 15, 18, 21
a)
10
b)
11
c)
12
d)
13
75.
List the first 6 multiples of 12.
a)
1, 2, 3, 4, 5, 6
b)
1, 2, 3, 4, 6, 12
c)
12, 22, 32, 42, 52, 62
d)
12, 24, 36, 48, 60, 72
76.
What are the first eight multiples of the number 9?
a)
1,2,3,4,5,6,7,8,9
b)
9,18,27,36,45,54,63,72
c)
9,27,36,45,54,63,72
d)
18,27,36,45,54,63,72
77.
Fill in the missing multiple.
3: 3, 6, 9, ___, 15, 18, 21
3: 3, 6, 9, ___, 15, 18, 21
a)
10
b)
11
c)
12
d)
13
78.
Which of the following shows an integer and its opposite?
a)
3, 1/3
b)
3/1, - 1/3
c)
1/3, -1/3
d)
-3, -3
79.
Compare the following integers:
-4, -8, 1, -5
-4, -8, 1, -5
a)
-4 > -8 > 1 > -5
b)
1 < -4 < -5 < -8
c)
-8 < -5 < -4 < 1
d)
-5 < -8 < -4 < 1
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