Compensation
56 + 32
+2 -2
88
47 + 10122
59
23 + 13
36
There are 14 cookies and 21 cakes. How many desserts are there in all?
47
45 + 34
+4 -4
79
60622 + 28
90
45 + 26
71
I had 45 books. I read 23 of them. How many books do I still have to read?
22
20 + 50 + 8
78
82 + 13
95
43 + 37
80
29 + 33
62
My big sister ran 2 miles on Monday, 4 miles on Tuesday and 6 miles on Wednesday. How many miles did she run in all?
12 miles
9 + 20 + 40
69
67 + 32
99
54 + 44
61 + 47
108
Bob has 8 green trucks and some red trucks. He has 24 trucks in all. How many red trucks does he have?
16
30 + 7 + 50
87
89 + 24
113
63 + 49
112
83 + 34
117
Kate has 12 bags. Sally has 3 more bags than Kate. How many bags do they have in all?
27
45 + 35 + 1
81