Activities

"The Janus List"

airdate:
May 18, 2007

episode #: 324

• Straddling Checkerboard*

  topic: Ciphers, Discrete Mathematics

• Pile It On*

  topic: Exponential Functions

• Pack It In*

  topic: Discrete Mathematics

"Money for Nothing"

airdate:
May 11, 2007

episode #: 323

• Driving With Dijkstra*

  topic: Graph Theory

• Truth or Dare*

  topic: Logic Riddles

• Velocity of Circulation*

  topic: Economics, Simulation, Using Formulas

"Under Pressure"

airdate:
May 4, 2007

episode #: 322

• Close Encounters*

  topic: Social Networks, Mean

• Seeing Everyone*

  topic: Visible Lattice Points

"The Art of Reckoning"

airdate:
April 27, 2007

episode #: 321

• No Place Left to Hide*

  topic: Pursuit Evasion, Families of Graphs, and Proof

• Spies Like Us*

  topic: Probability Game

• To C or Not to C*

  topic: Game Theory - The Prisoner's Dilemma

"Burn Rate"

airdate:
April 6, 2007

episode #: 320

• Energy*

  topic: Solving Equations

  more activities on this topic

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• Radicals
• Solve Square Root Equation
• Powers, Roots, and Radicals

• Regular Polygon Centroids*

  topic: Geometry, Points of Concurency

  more activities on this topic

• close
• Centroid and Orthocenter
• Does your Euler Line “Wiggle”?
• Centers of a Triangle
• Exploring the Centroid of a Triangle

• Irregular Polygon Centroids*

  topic: Geometry, Points of Concurency

• Random Thoughts

  topic: Probability

  more activities on this topic

• close
• NUMB3RS - Season 1 - "Structural Corruption" - Fours and Sevens, Oh My!
• NUMB3RS - Season 3 - "Traffic" - What is Random
• TI: Expected Value of a Random Variable

• A "Normal" Explosion*

  topic: Calculus Derivatives

  more activities on this topic

• close
• NUMB3RS - Season 3 - "Spree, Part II - Daughters" - Galton Board
• NUMB3RS - Season 3 - "Hardball" - Implicit Orbits

"Pandora’s Box"

airdate:
March 30, 2007

episode #: 319

• Fresh Air and Parabolas*

  topic: Parametric Equations, Parametric Functions, Quadratic Equations

• Thinking Backward*

  topic: Inverse Problems, Discrete Math

"Democracy"

airdate:
March 9, 2007

episode #: 318

• All Shook Up*

  topic: An Elementary Introduction to Inductive Reasoning

• Shaken, Not Stirred*

  topic: Application Of Inductive Reasoning In Problem Solving

• I Never Metadata I Didn’t Like*

  topic: Pattern Analysis and Recognition

• No Desk Left Behind*

  topic: Probability and Simulation

"One Hour"

airdate:
February 23, 2007

episode #: 317

• Have Your Cake And Eat It Too*

  topic: Discrete Mathematics / Fair Division

• The Labyrinth*

  topic: Logic Mazes

• Turing Origami*

  topic: Computer Science, Logic

"Contenders"

airdate:
February 16, 2007

episode #: 316

• Choosing Contenders*

  topic: Weighted Averages, Z-scores

• Dialing Ben*

  topic: Scatterplots, Least-squares Regression and Residuals

"End of Watch"

airdate:
February 9, 2007

episode #: 315

• Angling for Distance*

  topic: Maximizing the Distance Traveled by a Projectile

• Ants Go Marching*

  topic: Ant Colony Optimization

• Candy Land*

  topic: Chi-square Test for Goodness-of-fit

• Critical Maths*

  topic: Critical Path Analysis (CPA)

"Take Out"

airdate:
February 2, 2007

episode #: 314

• No Fly Zone*

  topic: Geometry and Probability

• Outliers*

  topic: Statistics and Outliers

• Restaurant Ranking*

  topic: Probability and Directed Graphs

"Finders Keepers"

airdate:
January 12, 2007

episode #: 313

• Barging In*

  topic: Rates, Direct and Inverse Variation, Algebra

• The Leaf Drops*

  topic: Experimental Probability, Histograms

• Where’s Cheetah?*

  topic: Simulation, Cylindrical Coordinates

"Nine Wives"

airdate:
January 5, 2007

episode #: 312

• Lost And Found*

  topic: Modeling a Lost Person’s Path

• All In The Family*

  topic: Genetic Probabilities

• A Breed Apart*

  topic: Inbreeding Coefficients

"Killer Chat"

airdate:
December 15, 2006

episode #: 311

• Onion Peeler*

  topic: Computer Science

• The Perfect House*

  topic: Marketing (Conjoint Analysis)

• Stylometry*

  topic: Box-and-Whisker Plots

"Brutus"

airdate:
November 24, 2006

episode #: 310

• Dial the Phone*

  topic: Triangular Numbers, Networks

• The Crowded Ballroom*

  topic: Area, Perimeter, Percentages

• The Orchard Problem*

  topic: Lattice Points in the Coordinate Plane

"Waste Not"

airdate:
November 17, 2006

episode #: 309

• Risky Business - NEW! (added for April 20 repeat)*

  topic: Odds Ratios and Risk Ratios

• Different or Not*

  topic: Two-Proportion Z-test

• Sharpshooter*

  topic: Geometric Probability

• A Group of Symmetries*

  topic: Symmetries of an Equilateral Triangle

"Hardball"

airdate:
November 10, 2006

episode #: 308

• Less is More - NEW! (added for April 13 repeat)

  topic: Least Squares Regression

• The Pythagorean Expectation*

  topic: Algebra and Sabermetrics

• Is It For Real?*

  topic: Data Analysis

• Implicit Orbits*

  topic: Implicit Differentiation

"Blackout"

airdate:
November 3, 2006

episode #: 307

• Maintaining Balance*

  topic: Center of Mass, Harmonic Series

• Navigating Networks*

  topic: Networks, Directed Weighted Graphs

"Longshot"

airdate:
October 27, 2006

episode #: 306

• Expected Value*

  topic: Geometric Probability, Expected Value

  more activities on this topic

• close
• TI: Expected Value of a Random Variable
• TI: What to Expect: Expected Value Investigation
• NUMB3RS - Season 3 - "Take Out" - No Fly Zone
• Exploring Geometric Probability using TI-Navigator™
• Fun with P(Geo), Part 2

• Harmonizing Means*

  topic: Harmonic Mean

• The Odds-On Favorite*

  topic: Probability, Odds, and Odds Ratios

• Not So Great Expectations*

  topic: Probability and Expected Values

"Traffic"

airdate:
October 20, 2006

episode #: 303

• What is Random?- NEW! (added for December 8 repeat)*

  topic: Random Numbers

• Birthday Surprise*

  topic: Probability Using Complementary Events

• To Pythagoras and Beyond*

  topic: Extending the Pythagorean Theorem

• Pythagorean Triples*

  topic: The Pythagorean Theorem

• Up to Speed*

  topic: Elementary Traffic Flow Models

"The Mole"

airdate:
October 13, 2006

episode #: 305

• Branch and Bound*

  topic: Linear Programming

• Coded Messages*

  topic: Inverse Matrices

• Cycloid I*

  topic: Geometry and Algebra

• Cycloid II*

  topic: Pre-Calculus and Calculus

"Provenance"

airdate:
October 6, 2006

episode #: 304

• Matrix Operations - NEW! (added for December 1 repeat)*

  topic: Matrix Operations

• Checkbook (Mis)Calculations*

  topic: Algebraic Expressions, Linear Diophantine Equations

• Set the Trap*

  topic: Probability Matrices

• Magnetism*

  topic: Data Collection, Modeling

"Spree, Part II - Two Daughters"

airdate:
September 29, 2006

episode #: 302

• Social Security Numbers- NEW! (added for January 26 repeat)*

  topic: Combinatorics

• Galton Board*

  topic: Probability

• Spiraling Out*

  topic: Polar Spirals

• Tic-Tac-Toe*

  topic: Game Theory

• Trawling for an Intersection*

  topic: Parametric Equations

"Spree"

airdate:
September 22, 2006

episode #: 301

• A Pursuit Curve Problem- NEW! (added for January 19 repeat)*

  topic: Data collection, Graphs, Distance Formula

• The Missing City*

  topic: Logical Reasoning

• Traveling on Good Circles*

  topic: Geodesics On a Sphere

• The Chase*

  topic: Introduction to Pursuit Curves

• The Four Bug Problem: Step On No Pets*

  topic: Data Collection, Graphs, Distance Between Two Points, Equation of a Curve