Math Cards ! is a great way to learn and practice addition, subtraction, multiplication, and division. Customize your own problem sets to focus on your needs. Set the top numbers and bottom numbers for each operator. Use the "Mix" operator to mix the addition, subtraction, multiplication, and division operators in a problem set. Show the problems in random or sequential order to further test your skills. Redo incorrect problems for additional practice. Features: 1) Choose from the following operators: +, -, x, ÷, and Mix 2) Set the top and bottom addends for addition 3) Set the top and bottom numbers for subtraction 4) Set the top and bottom factors for multiplication 5) Set the divisors and quotients for division 6) Mix the operators in the problem set if desired 7) Allow negative answers for subtraction if desired 8) Choose between multiple choice and user-entered problems 9) Set the timer on or off 10) Set the number of problems in the problem set 11) Redo incorrect problems for additional practice If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!