Addition
20+15=___
35
12-8=___
4
3x3=___
9
10x6=___
60
5x8=___
40
30+10=___
40
22-12=___
10
2x2=___
10x2=___
20
4x8=___
23+13=___
36
27-18=___
9
5x5=___
25
11x3=___
33
5x9=___
45
33+16=___
49
48-22=___
26
4x4=___
16
11x4=___
44
6x3=___
18
52+12=___
64
57-29=___
28
1x8=___
8
10x5=___
50
5x7=___
35