Author: frankie

Missing Number—Addition.

38
+ 2 1
59

22
+ 44
66

13
+ 72
85

65
+ 33
98

12
+ 48
60

47
+ 42
89

131
+ 123
254

341
+ 423
764

635
+ 243
878

555
+ 444
999

1 1 19
+ 2312
3431

Oh dear Snoopy has ruined Charlie Brown’s homework, can you help him to work out the numbers that Snoopy (and Woodstock) has covered with his muddy paws.