Teach children how to recognize the size of the problem (small, medium, and big problems) using this Boom Learning deck containing 34 cards with real photos (total of 30 situations). There are two parts in this deck. The first part is the "teach" part where the concept of size of the problem, as well as the difference among small, medium, and big problems are discussed and explained. The second part is the "test" part wherein the learner is asked to look at the photo in each card, read the given