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Interactive
Shodor Education Foundation

Shodor Interactivate: Fractured Pictures

For Students 9th - 10th Standards
Generate complicated geometric fractals by specifying starting polygon and scale factor.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Fire!!

For Students 9th - 10th
Run a simulation of how a fire will spread through a stand of trees, learning about probability and chaos.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Equivalent Fractions Pointer

For Students 9th - 10th
Visually represent two unique fractions that are equivalent to a given fraction. The fractional value is shown on a number line as you color in the fraction.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Inte Great!

For Students 9th - 10th
This activity allows the user to visually explore the idea of integration through approximating the integral value with partitions. The user controls the number of partitions, the upper and lower limits, and the method used to estimate...
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Interactive
Shodor Education Foundation

Shodor Interactivate: Transmographer 2

For Students 9th - 10th Standards
Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, rotations about any point, and translations in any direction.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Two Colors Applet

For Students 9th - 10th Standards
Choose one of three boxes and choose one ball from the box to look at conditional probabilities.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Tortoise and Hare Race

For Students 3rd - 8th
Step through the tortoise and hare race, based on Zeno's paradox, to learn about the multiplication of fractions and about convergence of an infinite sequence of numbers.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Single Fraction Finder

For Students 3rd - 8th Standards
Determine the value of a given fraction represented as a point on a number line. Then find a fraction whose value is a given fraction.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Racing Game With Two Dice

For Students 9th - 10th
Simulate a game where "N" players roll two dice, and the lucky player has an advantage for reaching the finish.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Racing Game With One Die

For Students 9th - 10th
Simulate a game where two players each roll a die, and the lucky player moves one step to the finish.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Rabbits and Wolves

For Students 9th - 10th
Experiment with a simple ecosystem consisting of grass, rabbits, and wolves, learning about probabilities, chaos, and simulation.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Parametric Graph It

For Students 9th - 10th Standards
This activity allows the user to plot ordered pairs and parametric equations on the same coordinate plane.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Image Tool

For Students 9th - 10th Standards
Measure angles, distances, and areas in several different images (choices include maps, aerial photos, and others). A scale feature allows the user to set the scale used for measuring distances and areas.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Koch's Snowflake

For Students 9th - 10th
Step through the generation of the Koch Snowflake, a fractal made from deforming the sides of a triangle, and explore number patterns in sequences and geometric properties of fractals.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Graphit

For Students 9th - 10th Standards
Create graphs of functions and sets of ordered pairs on the same coordinate plane. This is like a graphing calculator with advanced viewing options.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Graph Sketcher

For Students 9th - 10th Standards
Students can create graphs of functions entered as algebraic expressions similar to a graphing calculator.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Function Machine

For Students 9th - 10th Standards
Students investigate very simple functions by trying to guess the algebraic form from inputs and outputs.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Cross Sections

For Teachers 9th - 10th Standards
This lesson utilizes the concepts of cross-sections of three-dimensional figures to demonstrate the derivation of two-dimensional shapes.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Modular Arithmetic

For Teachers 9th - 10th Standards
Introduces students to modular (clock) arithmetic and its uses in real world problem-solving.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Estimating With Fire

For Teachers 3rd - 8th
Introduction to various estimation methods through the simulation of a forest fire.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Spy Game

For Teachers 9th - 10th
Students will learn about modular arithmetic in order to decipher encrypted messages.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Linear Regression and Correlation

For Teachers 9th - 10th Standards
Learners are introduced to correlation between two variables and the line of best fit.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Derivate

For Teachers 9th - 10th
Explores derivatives and the idea of infinity using a geometric interpretation of slope.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Probability: Playing With Fire

For Teachers 3rd - 8th Standards
Students use probability to determine how likely it is for each tree in a small simulated forest to catch on fire.