Addition
2+10
12
10-2
8
2 groups of 2
(Must draw groups and write out answer!)
4
5x1
(Draw out groups if needed)
5
4+12
16
27-20
3 groups of 4
(Must draw groups and write out answer!)
12
2x7
(Draw out groups if needed!)
14
24+12
36
38-24
14
6 groups of 3
(Must draw groups and write out answer!)
18
4x7
(Draw out groups if needed!)
28
200+312
512
124-18
106
4 groups of 8
(Must draw groups and write out answer!)
32
12x3
(Draw out groups if needed!)
36
1096+214
1310
1347-222
1125
10 groups of 7
(Must draw groups and write out answer!)
70
7x6
(Draw out groups if needed!)
42