Practice your subtraction skills with Dog and Owl!Autumn is here and Dog and Owl are out for a walk. They want to see what's in the box, but it's all covered by numbers. Help Owl pick numbers to reach the total that Dog is thinking of and reveal the hidden picture!Choose up to 3 numbers to subtract from 50 as you try to match Dog's number. The faster you are, and the fewer mistakes, the higher you score! Clear the board before the timer runs out to reach the next level and uncover another picture. As the levels progress, the time gets shorter and the challenge gets harder.Features: Bright, colorful, easy-to-use interface Increasing difficulty as the levels progress 12 painted animal photos to reveal A fun way to practice subtractionAlso available in HD on iPad!