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. Solve x^x=2^2048?
  6. How Big is One Million?
  7. Curious Math Fact: 10! Seconds = 6 Weeks 
  8. A Pattern Multiplying Numbers With 1's in Each Place Value
  9. A Pattern with the Product of 11 and Another 2 Digit Number
  10. Connect 9 Points With 4 Line Segments Without Lifting Up Your Pencil
  11. Reverse a Triangle of Ten Coins Moving Only Three Coins
  12. Where Does the Area Formula For a Circle Come From?
  13. The Fibonacci Sequence 
  14. The Golden Ratio 
  15. Bar Code Calculation to Determine The Check Digit
  16. Euler's Identity (Equation)
  17. The Monty Hall Problem: Switch Doors or Not?
  18. Curious Calculation: Result is Always 3 (Proof Included) 
  19. Curious Calculation: Result is Always 8 (Proof Included) 
  20. Curious Calculation: 3 Digit Num Divided by Sum of Digits (Proof Included) 
  21. Why is the derivative of the area of a circle equal to the circumference?
  22. Why is the derivative of the volume of a sphere equal to the surface area?
  23. The Birthday Problem
  24. Does 0.9999… = 1?
  25. The Cycloid - The Helen of Geometry
  26. Balancing an Aluminum Can on its Edge
  27. Googol and Googolplex
  28. Does 1 = 2?  Proof I
  29. Does 1 = 2?  Proof II
  30. Obtain Exactly 4 Gallons Using a 3 Gallon and 5 Gallon Container
  31. Ex: Obtain 6 Liters Using Only 7 Liters and 11 Liters
  32. Obtain 2 Buckets with 4 Gallons Using 8, 5, and 3 Gallon Buckets
  33. Find the Circumference of a Circle using Properties of a Circle and the Pythagorean Theorem
  34. Determine A Light Coin Among Six Identical Coins In Two Weighings
  35. Day of the Week Puzzle
  36. Missing Dollar Puzzle
  37. Find the Height of a Triangle of Circles
  38. Ex: Determine How Far Ahead a Car Passing Another Car Is Ahead After 5 Minutes
  39. Ex: Find a Bounded Area Using Circles and Squares
  40. Find the Area of a Circle Bounded by Two Squares
  41. Gabriel's Horn
  42. Why is the Derivative of the Area of a Circle Equal to the Circumference?
  43. Why is the Derivative of the Volume of a Sphere Equal to the Surface Area?
  44. Derive the Area of a Circle by Integrating the Circumference 
  45. Derive the Area of a Circle Using Integration (x^2+y^2=r^2) 
  46. Derive the Volume of a Sphere Using Integration (Disk Method)
  47. Derive the Volume of a Sphere Using Integrating the Surface Area
  48. Stock Price: After a 10% Loss and Then 10% Gain: Up, Down, Even?
  49. Stock Price: After a 10% Loss and What Gain is Needed to Recover?
  50. Determine the Annual Rate of Return Needed to Breakeven and Reach a Financial Goal After a Loss (1 Year Recover)
  51. Determine the Annual Rate of Return Needed to Breakeven and Reach a Financial Goal After a Loss (2 Year Recover)
  52. Interesting Facts About the Last Digits of Prime Numbers
  53. "I will be back in a jiffy." How long is that?
  54. What is Special About the Number 4?
  55. What is Special About the Spelling of Odd Numbers?
  56. What is Special About the Spelling of 40 and 1?
  57. What Whole Number from 0 to 1000 Contains an "a"?
  58. The Cicadas Are Coming in 2021
  59. Will It Fit? What Size Box is Needed to Package Smaller Boxes (Ex 1)
  60. Will It Fit? What Size Box is Needed to Package Smaller Boxes (Ex 2)
  61. Will It Fit? Water Bottles and Volume of a Cylinder
  62. Will It Fit? Water Bottles and Volume of a Box
  63. What is Better: $1 Million or 1 Cent that Doubles Each Day for 30 Days?
  64. Find the Points that Trisect a Segment (Integer Values)
  65. Find the Points that Trisect a Segment (Fraction Values)
  66. Find the Area of a Quadrilateral on the Coordinate Plane
  67. Find the Area of a Pentagon on the Coordinate Plane
  68. Perimeter of a Rhombus Inscribed in a Rectangle Inscribed in a Circle
  69. Does log_2(4^3) = log_2(4)^3?
  70. Fractions and Negative Signs
  71. The Slope of a Line: Is the Run Always to the Right?
  72. Annual Rate of Return Need for Loss Recover and Additional Return on Investment
  73. Determine the Annual Rate of Return Needed to Breakeven and Reach a Financial Goal After a Loss (1 Year Recover)
  74. Determine the Annual Rate of Return Needed to Breakeven and Reach a Financial Goal After a Loss (2 Year Recover)
  75. Is a 5 by 7 or an 8 by 10 Picture Frame More Visually Pleasing?  (Golden Rectangles)
  76. How is the Fibonacci Sequence Related to the Golden Ratio?
  77. The Golden Ratio and Body Parts: Find the Length From Your Belly Button to the Floor
  78. The Fibonacci Squence: What is Special About the Number of Petals of a Flower?
  79. Can You Solve This Commonly Missed Math Problem? 
  80. What is the Cost of the Book?The Total Price of a New Car: It is a Lot More than the Sticker Price!
  81. Can You Solve the Most Missed Percent Problem?  Find the Original Price Given the Discounted Price
  82. Percent Increase in Price: How Companies Try to Hide Price Increases

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