Solve each math problem; subtract the second number from the first and type in the correct answer. Use the TAB and the SHIFT+TAB keys, or the mouse to move from math problem to problem.
After solving all 20 subtraction math problems on the quiz, check your answers. When they are all correct, press the 'Grade My Quiz' button. Your quiz grade will be
shown on the top right of the page. The answers with a check mark are correct. Those with an X are incorrect. The ones with an X will have the correct answers shown. After you understand how to get all the correct answers, press the 'Give Me a New Quiz' button.
Teacher's note: This page randomly generates problems with numbers from 0 to 12. The Subtraction Quiz found on the big number flash cards page can be set to any number from 0 to 99.