What is a decade number?
Put the numbers in order from smallest to biggest.
1
4
3
5
2
Put the numbers in order from smallest to biggest.
7
8
6
9
10
Put the numbers in order from smallest to biggest.
12
14
13
11
15
Put the numbers in order from smallest to biggest.
18
19
17
20
16
Put the numbers in order from smallest to biggest.
22
21
24
23
25
A decade number is always !
Put the numbers in order from smallest to biggest.
28
27
26
30
29
Put the numbers in order from smallest to biggest.
40
34
37
36
35
38
39
32
33
31
Put the numbers in order from smallest to biggest.
48
47
43
46
41
49
42
44
45
50
Put the numbers in order from smallest to biggest.
58
51
55
53
60
54
56
52
57
59
Put the numbers in order from smallest to biggest.
61
69
68
64
63
66
62
70
65
67
Put the numbers in order from smallest to biggest.
73
71
74
79
77
72
78
76
75
80
Put the numbers in order from smallest to biggest.
88
83
85
90
89
87
84
82
81
86
91
100
97
99
98
93
92
94
96
95
80 is an even number?
81 is an even number?
40 is an odd number?
50 is an odd number?
60 is an even number?
70 is an even number?
30 is an even number?
90 is an even number?