Quiz: Subtraction

00:00:00
50 Problems
Start!
81
Continue
117
Continue
123
Continue
87
Continue
107
Continue
1211
Continue
76
Continue
126
Continue
81
Continue
87
Continue
43
Continue
91
Continue
1111
Continue
127
Continue
52
Continue
86
Continue
82
Continue
128
Continue
109
Continue
117
Continue
66
Continue
73
Continue
125
Continue
1211
Continue
62
Continue
53
Continue
43
Continue
32
Continue
88
Continue
113
Continue
65
Continue
101
Continue
1210
Continue
114
Continue
108
Continue
74
Continue
94
Continue
121
Continue
122
Continue
106
Continue
54
Continue
85
Continue
64
Continue
51
Continue
98
Continue
41
Continue
42
Continue
124
Continue
106
Continue
103
Continue