Addition
Solve 31 + 59.
90
Solve 42 - 18.
24
Solve this problem: 82-37=
45
Solve this problem: 64- 19=
45
forty-eight plus twenty-nine equals
77
Simon was given this problem. He set up his problem like this 96 - 58 = 42.
What did Simon do wrong?
Simon forgot to regroup.
(You can take 8 away from 6.)