The numbers added are randomly generated from numbers between 0 and 50. You can change the range of numbers added between a minimum of 0 and a maximum of 99. Press the "Set the Difficulty" button to change the largest and smallest numbers added.

Look at all the problems with an X and make sure you understand how to get the correct answer. When you are ready to try it again, press the 'Give Me a New Quiz' button.
Use the + and - buttons to set the largest numbers to add for the problems on the addition quiz. The default is 50, but the numbers can be set as high as 99. If desired a minimum number can also be set. The default minimum is 0, but it can be reset to any number from 0 to the maximum number. Press the "Press to Continue" button to set a new quiz.       Set Maximum Number to Add: 50 Set Minimum Number to Add: 0
11.  12 + 12 =      24
12.  12 + 12 =     24
13.  12 + 12 =      24
14.  12 + 12 =      24
15.  12 + 12 =      24
16.  12 + 12 =      24
17.  12 + 12 =      14
18.  12 + 12 =      24
19.  12 + 12 =      24
10.  12 + 12 =      24
11.  12 + 12 =      24
12.  12 + 12 =      24
13.  12 + 12 =      24
14.  12 + 12 =      24
15.  12 + 12 =      24
16.  12 + 12 =      24
17.  12 + 12 =      24
18.  12 + 12 =      24
19.  12 + 12 =      24
20.  12 + 12 =      24