Multi-Digit Addition/Subtraction

Addition (Even Numbers)

100

10+60=?

70

200

26+34=?

60

300

88+58=?

146

400

172+156=?

328

500

112+94+246=?

452

Addition (Odd Numbers)

100

13+7=?

20

200

11+33=

44

300

49+31=?

80

400

135+83=?

218

500

387+241=?

628

Addition and Subtraction

100

10+13-7=?

16

200

21-11+5=?

35

300

22+48-35=?

35

400

200+299-97+11-20=?

393

500

Bonus (NO PENALTY):

1257-516+312=?

1053

Subtraction (Odd Numbers)

100

23-11=?

12

200

45-27=?

18

300

99-75=?

24

400

273-249=?

24

500

1047-369=?

678

Subtraction (Even Numbers)

100

30-12=?

18

200

50-25=?

25

300

74-38=?

36

400

348-132=?

216

500

800-438-212=?

150