Show:
2 digit addition
2 digit subtraction
3 digit addition
3 digit subtraction
100
20+30
What is 50?
100
97-25
What is 72?
100
123+420
What is 543?
100
894-251
What is 643?
200
42+35
What is 77?
200
78-44
What is 34?
200
925+53
What is 978?
200
759-426
What is 333?
300
89+8
What is 97?
300
93-78
What is 16?
300
456+429
What is 885?
300
750-123
What is 627?
400
28+53
What is 81?
400
80-54
What is 26?
400
241+388
What is 629?
400
800-473
What is 327?
500
73+82
What is 155?
500
85-29
What is 56?
500
546+757
What is 1,303?
500
904-358
What is 546?