Addition
5+6
11
6-3
3
10, 20, 30
40, 50, 60
4+4
8
100+100
200
8+9
17
8-5
3
70, 80, 90
100
6+6
12
200+200
400
3+7
10
7-6
1
5, 10, 15
20, 25, 30
7+7
14
300+300
600
9+6
15
5-4
1
40, 45, 50
55, 60, 65
11+11
22
400+400
800
10+8
18
9-4
5
2, 4, 6
8, 10, 12
12+12
24
500+500
1000