Math worksheet with subtraction and addition problems to solve a riddle about penguins' lunch.
A math worksheet for second grade students featuring 18 subtraction and addition problems with two-digit numbers, each labeled with a letter. At the top, three penguins are shown with the instruction to solve the problems and use the code to solve the riddle, "What do penguins eat for lunch?" Below the problems, a list of numbers corresponds to the answers, which are used to decode the answer to the riddle. The worksheet is titled "Smiling and Shining in Second Grade" and includes clip art by D.J. Inkers.