High School Challenge Previous Problems

Break Even Point	What a Kite	One Remainder
Some Zeros	What a Sale	Algebra Garden
Perfect Cubes	Match The Card	Money Tree
Ride On	Six Circle Triangle	Deep Freeze
What Digits	Tower of Power	The Gift
Bored?	It's Only a Hundredth	The ABC's of Degrees
Mitsubishi Logo	Paint the Cube	Intersecting Chords
Toothpicks	Box on Rollers	Infinity
The Finest Pyramid	Cube the Digits	3 Unit Circles
The Printer	Plead the Fifth	How Many Pages?
Conversely Speaking	One Hundred Squares	What Is It?
Chinese Remainder Theorem	Circle Inscribed in Right Triangle	Holy Cube
What Order?	Trap A Zoid	Arithmetic Progression
The Family Connection	72 Things	Triangle Medians
Who is behind the masks?	The coin machine	Go fish
Some fortune	The Whole Distance	The Trisected Hypotenuse
Some Formula	Some Summation	Did the Butler do it?
Sum Factorial	Sum Five	A Big Group
How Far Away is the Point?	Tin Box	Geometric Progression and Reciprocals
The Escalator	The Shadow Knows	Six Factors
The League	Ten Wraps of Wire	Twos and Then Some
2.52525...	Circle the Square	My Granddad
N+10	A New Floor	Add the Angles
My Watch	Pick Six, Including 3	UCF
This Is Complex	Which Jar?	The Lock
Pete and Repeat	Two Clocks	Special Fractions
The Racers	The Track	Your Salary
To School and Back	Weigh Those Blocks	A Unique Number
Where in the World?	A Convex Polygon	The Ladder Slid
What are a n b n c?	Integral Cube	Magic Cube
Slick or Boring	Want a Date?	Weird Division
The Formula Is	Who is Single?	What is Going On?
The Same Remainder	The Subtraction Problem	The Root of it
A Different Rule	The Common Thread	Tuff Sequence
It is a girl!	This is Radical!	Will You Fold Your Tent On This One?
There is a Pattern	Powerful Strange	Not So Unlucky
Commonality	Look Carefully	What Is Next?
How Are Your Reflexes?