1. UIL NS and Mathematics Special Topics Session
Larry White
Box 25
Millersview, Tx
UIL State NS & Mathematics Contest Director
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2. Be sure to ... sign in; clean up your area when you leave; and
“HAVE A GREAT DAY!”
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3. UIL NS and Mathematics Special Topics Session
UIL Number Sense and Mathematics
Constitution and Contest Rules (C&CR)
??? Any rules need discussing or clarified ???
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4. UIL NS and Mathematics Special Topics Session
A Special Problem
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5. UIL NS and Mathematics Special Topics Session
Using A Special Theorem In Plane Geometry
2 T = X + Y + Z or
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2 T = X + Y + Z

6. UIL NS and Mathematics Special Topics Session
Using A Special Theorem In Plane Geometry
2 T = or
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2 T =

7. UIL NS and Mathematics Special Topics Session
Using A Special Theorem In Plane Geometry
Warren D. Smith - March 2012
This theorem was also used to solve a
number theory problem about
“Prouhet Tarry Excott” set pairs.
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8. UIL NS and Mathematics Special Topics Session
Pascal’s Triangle Clarification
row 0 1
(x+y)0
row 1
(x+y)1
row 2 2
(x+y)2
row 3 3
(x+y)3
row 4 4 6
(x+y)4
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9. UIL NS and Mathematics Special Topics Session
Special topics/problems/emphasis
on tests
1 new mathematician added this year.
Zeno of Elea
1 new special number added this year.
Harmonic number
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10. UIL NS and Mathematics Special Topics Session
Emphasis this year on:
Number Theory Problems (See #23 & 25 on the SAC test and #1, 2, & 3 on the back page of the SAC test.)
The 7 “trapezoidal” means (See #24 on the SAC test and #4 on the back page of the SAC test.)
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11. UIL NS and Mathematics Special Topics Session
Trapezoidal Means
Arithmetic Mean Geometric Mean
Harmonic Mean Heronian Mean
Contraharmonic Mean
Root-Mean-Square Centroidal Mean

12. UIL NS and Mathematics Special Topics Session
Trapezoidal Means

13. If you have some questions, I have some answers.
UIL NS and Mathematics Special Topics Session
If you have some questions,
I have some answers.
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14. HAVE A
GREAT DAY!
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