High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! The Texas Math and Science Coaches Association or TMSCA is an organization for coaches of academic University Interscholastic League teams in Texas middle schools and high schools, specifically those that compete in mathematics- and science-related tests.TMSCA releases tests each year for use in invitational competitions hosted by individual schools, as well as for the annual state-level TMSCA competition held each spring (which takes place prior to UIL competition). The format of the high school tests are presented below. Number Sense a 10-minute, 80 question, mental math test (no calculators or scratch paper are allowed). Students must work the problems in order as printed on the test; if a problem is skipped it is scored as a wrong answer. Scoring is 5 points for each correct answer and -4 points (4 points deducted) for each wrong answer or skipped question; the maximum score possible is 400