Addition
Start
Score:
8
0
Time: 00:00
Time: 0
4
12 − 2 = ?
9
6
11
10
8
12
91 − 47 = ?
45
42
54
34
44
43
89 − 63 = ?
28
26
27
24
36
25
67 − 32 = ?
33
36
34
37
40
35
56 − 40 = ?
15
16
6
13
26
14
99 − 86 = ?
13
12
14
22
11
15
83 − 56 = ?
26
25
37
27
29
17
83 − 10 = ?
73
75
63
71
72
83
46 − 46 = ?
2
7
1
4
10
0
56 − 33 = ?
13
25
22
23
17
33
Finished!
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