This is a cool Maths application using which a child can learn and practice the whole number and decimal subtraction concept. The application gives different length subtraction examples to practice. It monitors the child’s progress and paces the complexity of the problem according to the performance of the child, In case a mistake is made (e.g. wrong borrowing), it pin-points the exact mistake. walks through the detailed solution of the same problem in an animated way. The child can touch the Report Card icon to see the progress.