NumFun - Version 1.0 NumFun is an easy to use Math practicing program for children of all ages. The large colorful numbers allow the child to identify them in an instant. Once the options are selected, the child only needs to use the numeric keypad to enter the answers, and the Enter key moves to the next problem, if the answer is correct. If the answer is wrong, the child can re-enter the correct answer. If the child does not know the answer, he/she can click the Solve button to skip this problem and move on to the next. The object is to solve as many problems in as little time as possible.