- Number Sense (UIL)
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.
Number Sense is designed to test students' mental math abilities (i.e., their ability to solve math problems without the aid of calculators or scratch paper).
Students in Grade 4 through Grade 12 are eligible to enter this event. For competition purposes, separate divisions are held for Grades 4-6, Grades 7-8, and Grades 9-12, with separate subjects covered on each test as follows:
- The test for Grades 4-6 covers basic arithmetic and mathematical functions.
- The test for Grades 7-8 covers the subjects under Grades 4-6 plus algebra, geometry and number theory.
- The test for Grades 9-12 covers the subjects under both Grades 4-6 and Grades 7-8 plus analysis, trigonometry and calculus.
For Grades 4-6 and Grades 7-8 each school may send up to three students per division. In order for a school to participate in team competition in a division, the school must send three students in that division.
For Grades 9-12 each school may send up to four students; however, in districts with more than eight schools the district executive committee can limit participation to three students per school. In order for a school to participate in team competition, the school must send at least three students.
Rules and Scoring
The test consists of 80 questions and is limited to only 10 minutes. There is no intermediate time signal given; at the end of 10 minutes the students must immediately stop writing (they are not allowed to finish incomplete answers started before the stop signal).
The questions must be answered in order; a skipped question is scored as a wrong answer.
Since Number Sense is designed to test students' mental math abilities, no calculators or scratch paper can be used during competition.
In order for a question to be scored as correct the exact answer must be given (no allowance for rounding), except where the question is preceded by an asterisk, in which case for the question to be scored as correct the student's answer must be within 5 percent of the exact answer.
Five points are awarded for each correct answer while four points are deducted for each wrong or skipped answer. However, questions not answered beyond the last attempted answer (defined as any problem where a mark or erasure exists in the answer blank for that problem) are not scored.
Another way to score the contest is to multiply the number of attempted problems by 5 and multiply the number of wrong problems by 9. Subtract the wrong number score from the total.
Determining the Winner
Elementary and Junior High
Scoring is posted for only the top six individual places and the top three teams.
There are no tiebreakers for either individual or team competition.
High School Level
The top three individuals and the top team (determined based on the scores of the top three individuals) advance to the next round. In addition, within each region, the highest-scoring second place team from all district competitions advances as the "wild card" to regional competition (provided the team has four members), and within the state, the highest-scoring second place team from all regional competitions advances as the wild card to the state competition. Members of advancing teams who did not place individually remain eligible to compete for individual awards at higher levels.
There is no tiebreaker for individual competition; all individuals tied for a place eligible to advance to the next level will advance.
For team competition, the score of the fourth-place individual is used as the tiebreaker. If a team has only three members it is not eligible to participate in the tiebreaker. If the fourth-place score still results in a tie, all remaining tied teams will advance. At the state level, ties for first place are not broken.
For district meet academic championship and district meet sweepstakes awards, points are awarded to the school as follows:
- Individual places: 1st--15, 2nd--12, 3rd--10, 4th--8, 5th--6, and 6th--4.
- Team places: 1st--10 and 2nd--5.
- The maximum number of points a school can earn in Number Sense is 37.
List of prior winners
NOTE: For privacy reasons, only the winning school is shown. There was only one state champion for all classes awarded from 1943-44 through 1945-46 (for table purposes the winner is shown in Class A). Beginning in 1946-47, there were three champions crowned (Classes B, A, and AA; the latter encompassing all schools not in Class A or Class B). Beginning in 1958-59 all five classes (B, A, AA, AAA, and AAAA) were eligible for championships. The classifications were renumbered in 1980-81, with Class B becoming Class A and the other classes adding one letter (thus, Class A became Class AA, and so forth). 
School Year Class A Class AA Class AAA Class AAAA Class AAAAA 1943-44 Forney (none) (none) (none) (none) 1944-45 Amarillo (none) (none) (none) (none) 1945-46 Rio Hondo (none) (none) (none) (none) 1946-47 (not available) (none) (none) (none) (none) 1947-48 (tie) Claude/Moulton Marble Falls Lubbock (none) (none) 1948-49 (tie) Alpine/Woodsboro Marble Falls (tie) Lubbock/Sweetwater (none) (none) 1949-50 Miami Marble Falls El Paso (none) (none) 1950-51 Alpine Pharr-San Juan-Alamo El Paso (none) (none) 1951-52 Woodson Hereford El Paso (none) (none) 1952-53 Schulenburg Taylor El Paso (none) (none) 1953-54 Giddings Llano El Paso (none) (none) 1954-55 Dayton Floydada Pharr-San Juan-Alamo (none) (none) 1955-56 Sugar Land Bowie Kerrville (none) (none) 1956-57 Van Horn Granbury Lubbock Monterey (none) (none) 1957-58 Anton Liberty Lubbock (none) (none) 1958-59 Mont Belview Barbers Hill Canadian Lampasas Cleburne Austin McCallum 1959-60 Sulphur Bluff Groesbeck Granbury Pharr-San Juan-Alamo Lubbock Monterey 1960-61 Anton White Oak College Station A&M Consolidated Andrews Port Neches 1961-62 Rochelle Mont Belvieu Barbers Hill College Station A&M Consolidated Cleburne Lubbock 1962-63 Sulphur Bluff Schulenburg College Station A&M Consolidated Deer Park Lubbock Monterey 1963-64 Adrian Schulenburg San Saba Wichita Falls Rider Lubbock Monterey 1964-65 Rocksprings Alto San Saba Andrews San Antonio MacArthur 1965-66 Rocksprings Stockdale Pittsburg Andrews Freeport Brazosport 1966-67 Rocksprings Silverton Quanah Andrews Freeport Brazosport 1967-68 Whiteface Silverton Quanah Andrews Wichita Falls Rider 1968-69 Imperial Buena Vista Wink Quanah Levelland Odessa Permian 1969-70 Rocksprings Wink Winnie East Chambers Bishop Midland Lee 1970-71 Wall Cedar Hill Quanah Andrews Austin McCallum 1971-72 Wall Granger Waco Robinson Andrews Fort Worth Paschal 1972-73 Jayton Wall Waco Robinson Andrews McAllen 1973-74 Brookesmith Wink Zapata Andrews Pasadena South Houston 1974-75 Matador Motley County Poth Zapata Andrews Stafford Dulles 1975-76 S&S Consolidated Poth Zapata Andrews Austin Anderson 1976-77 Bronte Tatum Crane Edcouch-Elsa North Mesquite 1977-78 S&S Consolidated Lorenzo Boerne Andrews Edinburg 1978-79 (not available) (not available) (not available) (not available) (not available) 1979-80 Graford Shamrock North Lamar Hallsville Edinburg 1980-81 Pottsville Shamrock North Lamar Andrews San Antonio Marshall 1981-82 (tie) Granger/Midland Greenwood Shamrock North Lamar Andrews McAllen Memorial 1982-83 Phillips Anson North Lamar Azle Houston Waltrip 1983-84 Lenorah Grady Anson North Lamar San Antonio Edgewood Alvin 1984-85 Nueces Canyon Shamrock Mission Sharyland Azle Brazoswood 1985-86 (tie) Lenorah Grady/San Isidro (tie) Quitman/Springlake-Earth Gladewater Azle Lubbock Monterey 1986-87 Plains Springlake-Earth Quitman Azle Klein Oak 1987-88 Meridian Rosebud-Lott Orangefield Wichita Falls Hirschi Klein Oak 1988-89 Mounton Shallowater Quitman Wichita Falls Hirschi Longview 1989-90 Plains Shallowater Bishop Wichita Falls Hirschi (tie) Longview/Lubbock/Mission 1990-91 San Isidro Ingram Tom Moore Bandera Azle Mission 1991-92 San Isidro Shallowater Devine Wichita Falls Mission 1992-93 San Isidro Stamford Mont Belvieu Barbers Hill Wichita Falls Wichita Falls Rider 1993-94 Sterling City Salado Mont Belvieu Barbers Hill Buda Hays Consolidated Wichita Falls Rider 1994-95 Wink Salado Bridgeport Wichita Falls Wichita Falls Rider 1995-96 Henrietta Midway Salado Bridgeport Corpus Christi Flour Bluff Sugar Land Elkins 1996-97 Henrietta Midway Lockney Port Isabel Sweeny Spring Westfield 1997-98 Henrietta Midway Wellington Bridgeport Sweeny Mission 1998-99 Valley View De Leon Sweeny Edcouch-Elsa Mission 1999-2000 Muenster Elkhart Bridgeport Pharr-San Juan-Alamo Memorial Spring Westfield 2000-01 Muenster Elkhart Seminole Pharr-San Juan-Alamo Memorial Edinburg North 2001-02 Muenster Salado (tie) Falfurrias/Seminole Corpus Christi Flour Bluff Klein 2002-03 Tenaha Salado Bridgeport Pharr-San Juan Alamo Memorial Edinburg North 2003-04 San Isidro Salado Bridgeport Wichita Falls Hirschi Pearland 2004-05 Lindsay Argyle Bridgeport Medina Valley Pearland 2005-06 Utopia Argyle Longview Spring Hill Nacogdoches Pearland 2006-07 Plains Wichita Falls City View Longview Spring Hill Port Lavaca Calhoun Fort Bend Clements 2007-08 Lindsay Caddo Mills Argyle Nederland Klein 2008-09 Lindsay Caddo Mills Wichita Falls Hirschi Big Spring Fort Bend Clements
NOTE: UIL did not recognize a team championship in this event until the 1988-89 scholastic year. 
School Year Class A Class AA Class AAA Class AAAA Class AAAAA 1988-89 Plains Shallowater Quitman Wichita Falls Hirschi McAllen 1989-90 Plains Shallowater Orangefield Wichita Falls Hirschi Mission 1990-91 San Isidro Quanah Austin Lake Travis Azle Lubbock 1991-92 Sterling City Shallowater Devine Wichita Falls McAllen 1992-93 Sterling City Little Elm Crane Wichita Falls Lubbock 1993-94 Plains Little Elm Bridgeport Buda Hays Consolidated Alvin 1994-95 Henrietta Midway Salado Bridgeport Azle Sugar Land Elkins 1995-96 Rule Salado Shallowater Longview Pine Tree Mission 1996-97 Henrietta Midway Shallowater Bridgeport Longview Pine Tree Spring Westfield 1997-98 Henrietta Midway Plains Santa Rosa Longview Pine Tree Mission 1998-99 Henrietta Midway Salado Santa Rosa Sulphur Springs Klein 1999-2000 Valley View Salado Bridgeport Azle Klein 2000-01 Muenster Salado Bridgeport Corpus Christi Flour Bluff Edinburg North 2001-02 Muenster Salado Bridgeport Corpus Christi Flour Bluff Edinburg North 2002-03 Muenster Salado Bridgeport Azle Edinburg North 2003-04 Lindsay Salado Bridgeport Medina Valley Pearland 2004-05 Lindsay Argyle Bridgeport Medina Valley La Joya 2005-06 Garden City Argyle Bridgeport Medina Valley Klein 2006-07 Lindsay Wichita Falls City View Longview Spring Hill Corpus Christi Flour Bluff San Antonio O'Connor 2007-08 Lindsay Caddo Mills Argyle Katy Seven Lakes Klein
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