Combinations of 10
5
10, 20, 30, ____, 50, 60, 70, 80, 90, 100
40
20 + 10 =
30
30 - 10 =
20
8 + _____ = 10
2
30, 40, 50, 60, ____, 80, 90
70
46
34 + 10 =
44
43 - 10 =
33
6 + _______ = 10
4
57
45
65 + 10 =
75
108 - 10 =
98
3 + _____ = 10
3, 13, 23, 33, 43, 53 , 63, 73, ___, 93, 103
83
52
92 + 10 =
76 - 10 =
66
1 + ____ = 10
9
82, 92, 102, ___, 122
112
57
86 + 20 =
106
77 - 20 =
57