Create a math tutor program in VB.Net. Randomly create addition, multiplication, subtraction and division questions like:
Addition
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Have the user enter an answer. Let them know if they answered the question correctly.
Create random numbers for the questions.
You can group the questions in groups of ten or so, and give them a score like, "You got 8 out of 10 Correct!!".
You can tell the program to do just addition, or a combination of question types.