Math Dog Integer Addition

Help Math Dog, AKA Math Pup, catch the cat burglar. All you need to do is figure out the answer to the integer addition problem containing both positive and negative numbers. 3 skill levels to choose from and you can choose to play untimed for a leisurely game or select timed mode for more of a challenge. Solve the integer addition problem at the top of the screen and then select the box containing the answer to catch the cat burglar.