1. The Beauty of Math: Artwork Created using Linear Equations and Domain Restrictions
  2. The Beauty of Math: Artwork Created using Quadratic Equations and Domain Restrictions 1
  3. The Beauty of Math: Artwork Created using Quadratic Equations and Domain Restrictions 2
  4. The Beauty of Mathematics: Graphs of Power and Radical Functions
  5. How Big is One Million?
  6. Curious Math Fact: 10! Seconds = 6 Weeks 
  7. A Pattern Multiplying Numbers With 1's in Each Place Value
  8. A Pattern with the Product of 11 and Another 2 Digit Number
  9. Connect 9 Points With 4 Line Segments Without Lifting Up Your Pencil
  10. Reverse a Triangle of Ten Coins Moving Only Three Coins
  11. Where Does the Area Formula For a Circle Come From?
  12. The Fibonacci Sequence 
  13. The Golden Ratio 
  14. Bar Code Calculation to Determine The Check Digit
  15. Euler's Identity (Equation)
  16. The Monty Hall Problem: Switch Doors or Not?
  17. Curious Calculation: Result is Always 3 (Proof Included) 
  18. Curious Calculation: Result is Always 8 (Proof Included) 
  19. Curious Calculation: 3 Digit Num Divided by Sum of Digits (Proof Included) 
  20. Why is the derivative of the area of a circle equal to the circumference?
  21. Why is the derivative of the volume of a sphere equal to the surface area?
  22. The Birthday Problem
  23. Does 0.9999… = 1?
  24. The Cycloid - The Helen of Geometry
  25. Balancing an Aluminum Can on its Edge
  26. Googol and Googolplex
  27. Does 1 = 2?  Proof I
  28. Does 1 = 2?  Proof II
  29. Obtain Exactly 4 Gallons Using a 3 Gallon and 5 Gallon Container
  30. Ex: Obtain 6 Liters Using Only 7 Liters and 11 Liters
  31. Obtain 2 Buckets with 4 Gallons Using 8, 5, and 3 Gallon Buckets
  32. Find the Circumference of a Circle using Properties of a Circle and the Pythagorean Theorem
  33. Determine A Light Coin Among Six Identical Coins In Two Weighings
  34. Day of the Week Puzzle
  35. Missing Dollar Puzzle
  36. Find the Height of a Triangle of Circles
  37. Ex: Determine How Far Ahead a Car Passing Another Car Is Ahead After 5 Minutes
  38. Ex: Find a Bounded Area Using Circles and Squares
  39. Find the Area of a Circle Bounded by Two Squares
  40. Gabriel's Horn
  41. Why is the Derivative of the Area of a Circle Equal to the Circumference?
  42. Why is the Derivative of the Volume of a Sphere Equal to the Surface Area?
  43. Derive the Area of a Circle by Integrating the Circumference 
  44. Derive the Area of a Circle Using Integration (x^2+y^2=r^2) 
  45. Derive the Volume of a Sphere Using Integration (Disk Method)
  46. Derive the Volume of a Sphere Using Integrating the Surface Area
  47. Stock Price: After a 10% Loss and Then 10% Gain: Up, Down, Even?
  48. Stock Price: After a 10% Loss and What Gain is Needed to Recover?
  49. Interesting Facts About the Last Digits of Prime Numbers
  50. "I will be back in a jiffy." How long is that?
  51. What is Special About the Number 4?
  52. What is Special About the Spelling of Odd Numbers?
  53. What is Special About the Spelling of 40 and 1?
  54. What Whole Number from 0 to 1000 Contains an "a"?
  55. The Cicadas Are Coming in 2021
  56. Will It Fit? What Size Box is Needed to Package Smaller Boxes (Ex 1)
  57. Will It Fit? What Size Box is Needed to Package Smaller Boxes (Ex 2)
  58. Will It Fit? Water Bottles and Volume of a Cylinder
  59. Will It Fit? Water Bottles and Volume of a Box
  60. What is Better: $1 Million or 1 Cent that Doubles Each Day for 30 Days?
  61. Find the Points that Trisect a Segment (Integer Values)
  62. Find the Points that Trisect a Segment (Fraction Values)
  63. Find the Area of a Quadrilateral on the Coordinate Plane
  64. Find the Area of a Pentagon on the Coordinate Plane
  65. Perimeter of a Rhombus Inscribed in a Rectangle Inscribed in a Circle
  66. Does log_2(4^3) = log_2(4)^3?
  67. Fractions and Negative Signs
  68. The Slope of a Line: Is the Run Always to the Right?

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