All 4th grade mathematics topics are included in the application. In practice, testing is less and most of the activities are intended to be performed deliberately by entering the results with the keyboard. Natural numbers, addition, subtraction, multiplication, fractions, geometry, and measurement conversions (time-length-liquid-weight) are unlimited. Video solutions of the topics are right next to it. In addition, multiplication and shape questions, there are areas that you can draw with your finger and delete with the delete key.