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Addition & Subtraction of Integers

This program challenges the user with addition and subtraction problems. These problems are to be done mentally, without pencil or paper or calculator. As the levels advance, the problems get more difficult. To start the program, click . A little guy will walk across the screen to show you the current level of the program. Simply type the answer to the problem in the box at the top and press ENTER. You will be either Correct or Wrong. To get to the next problem, hit ENTER again. If at any time you want to check how you are doing, click on the Stats button. From here, you can see all sorts of things such as how many you have gotten correct in each level and how long it took. To return to the problems, click Continue, or to start over, click Restart. To change how many problems there are in each level, or how many you need to get correct to move on to the next level, type parm in the answer box. Use the mouse to change these parameters. Note that you will have to restart at Level 1 to continue.

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