Addition
11+6=
What is 17
17+65=
What is 82
111+222=
What is 333
10-1=
What is 9
21-7=
What is 14
15+3=
What is 18
81+9=
What is 90
268+354
What is 622
10-7=
What is 3
33-3=
What is 30
21+7=
What is 28
26+27=
What is 53
367+125=
What is 492
10-6=
What is 4
25-18=
What is 7
33+3=
What is 36
36+39=
What is 75
254+199=
What is 453
10-5=
What is 5
35-7=
What is 28
40+5
What is 45
62+18=
What is 80
367+499=
What is 866
10-6=
What is 4
99-57=
What is 42