Addition (even or odd)
10+60=?
70 EVEN
13+7=?
20 Odd
10+13-7=?
16
23-11=?
12
30-12=?
18
26+34=?
60 Even
11+33=
44 Odd
21-11+5=?
35
45-27=?
18
50-25=?
25
88+58=?
146 Even
49+31=?
80 Odd
22+48-35=?
35
99-75=?
24
74-38=?
36
172+156=?
328 Even
135+83=?
218 Odd
200+299-97+11-20=?
393
273-249=?
24
348-132=?
216
112+94+246=?
452 Even
387+241=?
628 Odd
Bonus (NO PENALTY):
1257-516+312=?
1053
1047-369=?
678
800-438-212=?
150