Number Sense is one of several academic events sanctioned by the University Interscholastic League.
It is also a competition held by the Texas Math and Science Coaches Association, using the same rules as the UIL.
It is one of the UIL's oldest academic competitions: the first state title was awarded in 1943.
Since Number Sense is designed to test students' mental math abilities, no calculators or scratch paper can be used during competition.
For district meet academic championship and district meet sweepstakes awards, points are awarded to the school as follows: NOTE: Due to the COVID-19 Pandemic, there were no competitions held during the 2019-2020 academic year.
[1] Effective as of 2015, classifications were moved up by one letter with the creation of Class AAAAAA.
NOTE: UIL did not recognize a team championship in this event until the 1988-89 scholastic year.