Integers and non-integers

124 cards

Distinguishing integers/non-integers


 
  
Created Dec 6, 2006
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1
(T/F): 2 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 2 has...
2
(T/F): 9 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 9 has...
3
(T/F): 13 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 13...
4
(T/F): -1.6 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since -1.6...
5
(T/F): 5 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 5 has...
6
(T/F): -6.2 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since -6.2...
7
(T/F): 0 is an integer.
 
True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....
8
(T/F): 0 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
9
(T/F): 18 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
10
(T/F): 3 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
11
(T/F): 30 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
12
(T/F): 30 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
13
(T/F): 17 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
14
(T/F): 928 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
15
(T/F): -563 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
16
(T/F): -1073 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
17
(T/F): -1312 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
18
(T/F): 926 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
19
(T/F): 1878 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
20
(T/F): The square root of 80 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
21
(T/F): The square root of 22 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
22
(T/F): The square root of 3 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
23
(T/F): The square root of 25 is a rational number.
 
True. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.
24
(T/F): The square root of 9 is a rational number.
 
True. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.
25
(T/F): The square root of 100 is a rational number.
 
True. EXPLANATION: The square root of 100 is 10, which is an integer, and therefore rational.
26
(T/F): The square root of 5 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
27
(T/F): The square root of 99 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
28
(T/F): The square root of 5 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
29
(T/F): The square root of 36 is an irrational number.
 
False. EXPLANATION: The square root of 36 is 6, which is an integer, and therefore rational.
30
(T/F): The square root of 49 is an irrational number.
 
False. EXPLANATION: The square root of 49 is 7, which is an integer, and therefore rational.
31
(T/F): The square root of 16 is an irrational number.
 
False. EXPLANATION: The square root of 16 is 4, which is an integer, and therefore rational.
32
(T/F): 15.47 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 15.47...
33
(T/F): 5.882 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 5.882...
34
(T/F): 11 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 11...
35
(T/F): 4.7 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 4.7...
36
(T/F): -6.99 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since -6.99...
37
(T/F): -3 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since -3...
38
(T/F): 0 is an integer.
 
True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....
39
(T/F): 12 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
40
(T/F): 29 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
41
(T/F): 30 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
42
(T/F): 2 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
43
(T/F): 9 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
44
(T/F): 0 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
45
(T/F): -473 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
46
(T/F): 932 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
47
(T/F): 450 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
48
(T/F): -46 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
49
(T/F): -1707 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
50
(T/F): 126 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
51
(T/F): The square root of 57 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
52
(T/F): The square root of 45 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
53
(T/F): The square root of 63 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
54
(T/F): The square root of 16 is a rational number.
 
True. EXPLANATION: The square root of 16 is 4, which is an integer, and therefore rational.
55
(T/F): The square root of 25 is a rational number.
 
True. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.
56
(T/F): The square root of 81 is a rational number.
 
True. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.
57
(T/F): The square root of 57 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
58
(T/F): The square root of 80 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
59
(T/F): The square root of 3 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
60
(T/F): The square root of 25 is an irrational number.
 
False. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.
61
(T/F): The square root of 25 is an irrational number.
 
False. EXPLANATION: The square root of 25 is 5, which is an integer, and therefore rational.
62
(T/F): The square root of 49 is an irrational number.
 
False. EXPLANATION: The square root of 49 is 7, which is an integer, and therefore rational.
63
(T/F): 0 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 0 has...
64
(T/F): 4.9 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 4.9...
65
(T/F): 9.83 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 9.83...
66
(T/F): 9 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 9 has...
67
(T/F): -8 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since -8...
68
(T/F): -8 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since -8...
69
(T/F): 0 is an integer.
 
True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....
70
(T/F): 6 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
71
(T/F): 9 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
72
(T/F): 37 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
73
(T/F): 22 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
74
(T/F): 9 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
75
(T/F): 7 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
76
(T/F): 1042 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
77
(T/F): 259 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
78
(T/F): 6 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
79
(T/F): 973 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
80
(T/F): -511 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
81
(T/F): -1611 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
82
(T/F): The square root of 5 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
83
(T/F): The square root of 57 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
84
(T/F): The square root of 63 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
85
(T/F): The square root of 81 is a rational number.
 
True. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.
86
(T/F): The square root of 64 is a rational number.
 
True. EXPLANATION: The square root of 64 is 8, which is an integer, and therefore rational.
87
(T/F): The square root of 9 is a rational number.
 
True. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.
88
(T/F): The square root of 22 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
89
(T/F): The square root of 57 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
90
(T/F): The square root of 3 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
91
(T/F): The square root of 9 is an irrational number.
 
False. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.
92
(T/F): The square root of 81 is an irrational number.
 
False. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.
93
(T/F): The square root of 36 is an irrational number.
 
False. EXPLANATION: The square root of 36 is 6, which is an integer, and therefore rational.
94
(T/F): 8.2 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8.2...
95
(T/F): 8.3 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8.3...
96
(T/F): 1.62 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since 1.62...
97
(T/F): 8 is an integer.
 
True. EXPLANATION: An integer has no digits to the right of the decimal point. Since 8 has...
98
(T/F): -3.47 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since -3.47...
99
(T/F): -5.9 is an integer.
 
False. EXPLANATION: An integer has no digits to the right of the decimal point. Since -5.9...
100
(T/F): 0 is an integer.
 
True. EXPLANATION: An integer is a number with no digits to the right of the decimal point....
101
(T/F): 7 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
102
(T/F): 25 is an even number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
103
(T/F): 22 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
104
(T/F): 11 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
105
(T/F): 26 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
106
(T/F): 15 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
107
(T/F): 1168 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
108
(T/F): 1084 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
109
(T/F): 1614 is an even number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
110
(T/F): -860 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
111
(T/F): -888 is an odd number.
 
False. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
112
(T/F): -293 is an odd number.
 
True. EXPLANATION: A number is even if and only if it is an integer that ends in 0, 2, 4,...
113
(T/F): The square root of 22 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
114
(T/F): The square root of 22 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
115
(T/F): The square root of 57 is a rational number.
 
False. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
116
(T/F): The square root of 81 is a rational number.
 
True. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.
117
(T/F): The square root of 16 is a rational number.
 
True. EXPLANATION: The square root of 16 is 4, which is an integer, and therefore rational.
118
(T/F): The square root of 64 is a rational number.
 
True. EXPLANATION: The square root of 64 is 8, which is an integer, and therefore rational.
119
(T/F): The square root of 5 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
120
(T/F): The square root of 3 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
121
(T/F): The square root of 99 is an irrational number.
 
True. EXPLANATION: Only perfect squares have rational square roots. Since there is no integer...
122
(T/F): The square root of 81 is an irrational number.
 
False. EXPLANATION: The square root of 81 is 9, which is an integer, and therefore rational.
123
(T/F): The square root of 9 is an irrational number.
 
False. EXPLANATION: The square root of 9 is 3, which is an integer, and therefore rational.
124
(T/F): The square root of 64 is an irrational number.
 
False. EXPLANATION: The square root of 64 is 8, which is an integer, and therefore rational.


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