Addition
5 + 5
10
16 - 7
9
5 + 245
250
2x1
2
20+11
31
50 +10
60
60-15
45
98 + 4
102
9x1
9
2+1
3
100 + 900
1000
45 - 22
23
50 + 45
95
200 x 1
200
1x6
6
104 + 0
104
250-150
100
63 - 37
26
13 x 1
13
13+1
14
20+3
23
15 - 15
0
10 + ___ = 241
231
1x1
1
19+2
21