Mental addition of 1 to 4 digit numbers that are flashed on the computer screen at a frequency interval of 1 to 0.3 seconds.
Totally 83 different random mental addition questions are generated by MEMORIAD™ Software and asked in this category.
The details of 83 mental addition questions can be seen as the number of problems, the number of digits and the frequency of additions in the table given below. There is a break of 5 seconds between each question for the competitors to read which question is to come on the screen.
There are different versions of "Flash Numbers" as follows:
|Question #||Number of Digits||Frequency (Sec.)||Number of problems||Points|