The answer in the example is incorrect. Spot the mistake.
178
+ 384
_________
5 5 2
178
+ 384
_________
562
4 6
+3 _
______
7 9
3
40
+16
32
27
_____
115
7 + 6
13
75 + 87 =
162
Lucia has 215 blue beads and 126 green beads. How many beads does Lucia have in all?
341 beads in all
4 _
+2 3
_____
7 2
9
28 + 52 + 17 + 15 =
112
37 + 8 =
45
39 + 59 =
98
Kwan's class borrowed 37 storybooks. There were 54 storybooks left. How many storybooks were there at first?
37 + 54 = 91
1 _ 5
+1 1 4
_________
3 0 9
36 + 23 + 34 + 12 =
105
78 + 5 =
83
153 + 449 =
602
A librarian buys 68 Spanish books and 121 English books. How many books does the librarian buy in all?
68 + 121 = 189
1 _ 2
+ 2 3
_______
1 9 5
7
29 + 15 + 62 + 38 =
768 + 99 =
867
473 + 398 =
871
Two boxes of books were donated to the school library. There were 325 books in all. Which two boxes were donated to the school?
Box A = 176
Box B = 166
Box C = 159
Box B and Box C
54 + 28 + 36 + _____ = 129
11
138 + 298 + 127 + 86 =
649
583 + 98
681
1564 + 358 =
1922