2009 |

Modeling Linear Relationships |
Grades 8-10 |

Sampling for a Rock Concert |
Grades 7-12 |

Linear Programming |
Grades 9-12 Algebra II |

Matrix Madness |
Grades 8-11 Algebra II |

Systems of Equations and Inequalities |
Grades 9-12 Algebra II |

2008 |

Do These Systems Meet Your Expectations? |
Grades 9-12 |

Slippery Slope |
Grades 9-12, Algebra I, Algebra II |

Slope - Using a Multi-Sensory Approach |
Grades 9-12, Geometry |

Geometer Jones - The Search for Pythagoras' Treasure |
Grades 9-12 |

2007 |

Discovering Different Types of Functions |
HS Algebra I |

Real World Systems of Linear Equations |
Grades 9 - 12 Pre-Algebra, Algebra 1, Consumer Math |

Whose Line is it Anyway? |
Grades 8 - 10, Algebra I |

2006 |

How Do They Relate? An Investigation of Relationships That Appear Linear. Measures of Central Tendency |
Grades 7 -10, Algebra I |

Line of Best Fit |
Grades 7 - 12, Algebra I |

Probability & Applications of Simulations | Part II | Part III |
Grades 8-10, Algebra I |

2005 |

Catapult Trajectories - Don't Let Parabolas Throw You |
Grades 9-11, Algebra I and II |

Means of Growth |
Grades 9-12, Algebra I and II |

Optimization for Breakfast |
Grades, 7, 9, 11 |

2004 |

Decode Word Is . |
Grades 6-12 |

Making Money and Spreading the Flu! |
Grades 10-11, Algebra II |

Matchstick Math: Using Manipulatives to Model Linear, Quadratic, and Exponential Functions |
Grade 9, Algebra I |

Off to College |
Grades 9-12, Algebra II |

Strike a Pose: Modeling In The Real World (There's Nothing To It!) |
Grades 9-12, Algebra I and II |

2003 |

Play Ball! |
Grades 9-12 Algebra I & II Analytical Geometry |

Probability and Simulations |
Grades 10-12, Algebra II |

2002 |

Kangaroo Conundrum: A Study Of A Quadratic Function |
Grades 9-12 Algebra I & II Analytical Geometry |

Leap Into Exponential Functions |
Grades 10-12, Algebra II |

2001 |

An Introduction to Public Key Cryptography |
Grades 11-12 |

Curve of Best Fit -- The Swinging Pendulum |
Grades 9 - 12, Algebra II |

Exponents and Exponential Functions |
Grades 9-12, Algebra I |

In Debt or Not in Debt |
Grades 9-12, Algebra I & II, Consumer Math |

Slopey Math |
Grades 9-12, Algebra I & II |

2000 |

Iterating the Function, f(x) = x^2 + c |
Grades 9-12 |

Modeling Population Growth... |
Grades 7-12, Algebra I |

Transposition Cryptology |
Grades 9-12 |

What You See Is Not Always What You Get! |
Grades 8-12 Algebra I, Geometry, Algebra II, Trigonometry, Pre-Calculus |

1999 |

Arithmetic Chains |
Grades 8 - 9 |

Highs and Lows |
Algebra II, Pre-Calculus, and Calculus |

Iterating Linear Functions |
Grades 9-12 |

Play It |
Grades 8-12, GT Grades 6-8 |

Profitable Soda Stand |
Grades 8-12, Algebra I and II |

What's the Point? |
Grades 8-12, Algebra I and II |

Will Exams Be Cancelled? |
Grades 9-12, Algebra II or higher, Biology or Chemistry |

1998 |

Between the Extremes |
Grades 9-12, Algebra I and II, Pre-Calculus and Calculus |

Can You Make a Hole in One? |
Grades 9-12, Algebra - Trigonometry |

Does Music Calm the Savage Beast? |
Grades 9-12, Algebra I, Integrated Math I |

Exploring Exponential Growth and Decay... |
Grades 9-12, Algebra I and II |

Exponential Growth and Decay |
Grade 9-12, Algebra II and Pre-Calculus |

How Much Is Too Much? |
Grades 9-10 |

How Sharp Is Your Memory? |
Algebra I |

Investing |
Grades 9-12, Algebra II and beyond |

Iterating the Function, f(z) = z^2 + c |
Grades 10-12 |

La Tolteca--A Tropical Paradise |
Grades 7-12 |

Let's Get Physical |
Grades 8-12, Algebra I and II, Pre-Calculus |

Linear Functions ... Running and Walking |
Grades 6-12 |

Move It |
Grades 8-12, Algebra I and II, Pre-Calculus |

Putting Your Money to Work |
Grades 9-12, Algebra I and II, Business Math |

Regressive Music |
Grades 9-12, Advanced Algebra II or Pre-Calculus/Trigonometry |

The Way to Better Grades! |
Grades 9-12, Algebra I |

Videobusters |
Grades 9-12 |

1997 |

Another Way of Factoring |
Grades 8-12 |

Conductivity of Salt Solutions |
Algebra II |

Know the System |
Grades 9-12, Algebra I and II |

Linear Functions - Learn Your Lines |
Grades 9-12, Algebra I and II |

Round and Round and Round We Go! |
Grades 8-10, Algebra I and II |

The Absolute Truth |
Grades 8-12 |

Using Data Analysis to Review Linear Functions |
Algebra I |

Walking on Air |
Grades 9-10, Algebra I |

1996 |

Fuelish Fact Finding |
Grades 8-10, Algebra I, Integrated Mathematics |

Graphing and Interpreting Linear Equations... |
Grades 8-12, Pre-Algebra and Algebra I |

Making Connections: Matrices, Graphs, ... |
Grades 9-12, Algebra I and II |

The Price Is Right |
Grades 9-12, Algebra I and II |

Tune...UM! |
Grades 9-12 |

Watts Up, Doc? |
Grades 10-12, Algebra II, Pre-Calculus |

What "OHMS's" You? |
Grades 10-12 |

When Am I Ever Going to Use This? Part 1 |
Grades 9-12, Basic Algebra and/or Algebra I Class |

When Am I Ever Going to Use This? Part 2 |
Grades 9-12, Beginning Algebra |

1995 |

Beginning Modeling for Linear and Quadratic Data |
Grades 8-10, Algebra I and II |

A Slice of the Cone |
Grades 10-12, Algebra II, Algebra III, or Analytic Geometry, Pre-calculus |

Affine Transformations on the "Fractal Fern" |
Grades 9 - 12, Geometry through Algebra II/ Trigonometry |

An Introduction to Functions by Calculation |
Grades 10-12, Advanced Mathematics and Business |

Binary Counter Circuit |
Basic Algebra |

Cannonball! |
Grades 8-12 |

Charting a New Course |
Grades 7-12, Geometry/ Algebra I and II |

Exploring the Stock Market |
Grades 9-12, Algebra II or Math Analysis |

Fun with Fractals |
Grades 9 - 12, Algebra I - Pre-Calculus |

Functions in Motion |
Pre-Algebra, Algebra I, Algebra II |

HOT WHEELS |
Grades 10-12, Algebra II/Physics |

Homecoming Tickets |
Grades 9-12, Algebra I and II |

Impact!!! |
Grades 8-12, Algebra I |

Lines, Lines, Everywhere!! |
Grades 8 - 12, Algebra/Statistics |

Linking Real World Data to the Classroom |
Grades 9-10, Pre-Algebra, Basic Algebra and Algebra I |

Matrices at the Speed of Light |
Grades 9-12, Algebra II, Selected Topics, Pre-Calculus |

Matrices: A Secret Weapon |
Grades 9-12, Algebra I - Calculus |

Modeling Drug Assimilation in the Human Body |
Grades 10-12, Biology, Chemistry, Physics, Health, Algebra II/Trig, Pre-calculus, Calculus |

Plugging into the Best Price |
Grades 8 - 10, Pre-Algebra and Algbera I |

Relating Distance and Velocity over Time |
Grades 10-12 Algebra II, Trigonometry, Pre-calculus, and Calculus |

SHHHHH! It's a Secret |
Algebra I, Geometry, Algebra II |

Sectors of Pizza |
Grades 9-12, Algebra, Geometry, Consumer Math |

Slip Slide'n Away |
Grades 9-12, Algebra I and II, Physics, Pre-calculus |

Speaking Parametrically |
Grades 7 - 12; Pre-algebra, Algebra I and II |

The Fat and the Lean |
Grades 9-12 Basic Algebra, Algebra I, Algebra-Geometry |

The Physics of Auto Racing |
Grades 9-12, Physics/Geometry, Algebra I or II, Pre-calculus |