Math Magic 2.9
the author of this app says:
Dont you just love how much your child has improved in adding, subtracting, multiplying and dividing? You never get tired of hearing, Can I do math? from your six year old, do you? Of course you dont. Thanks to Math Magic, your child can get a big jump on learning arithmetic while loving every second of that education. Math Magic teaches in a way that is encouraging and tons of fun for your little one. Math Magic uses a combination of your choice of vibrant colours, simple interface and a reward system of stars to encourage and teach kids between the ages of 3 and 8. Its really easy to use. The child simply has to tap on an answer to solve the problem. Whether they get the answer right or not, a real voice expresses appreciation for the child choosing a response.
Requires iPhone OS 3.1.3 or later.