Interactive Resources for the Ninth Grade to Twelfth Grade Student

Number Operations

Interactive Tool  From "Shodor.org" Synopsis     -  Most Include Lesson Plans with the Interactive Tool

Arithmetic Four

A game like Fraction Four

Arithmetic Quiz

Randomized questions to answer on arithmetic with whole numbers and integers.

Bounded Fraction Finder

Find fraction between the two endpoints.

Bounded Fraction Pointer

Value of two fractions on a number line

Caesar Cipher

Create a cipher for encoding and decoding messages.

Caesar Cipher II

Create a cipher for encoding and decoding messages.

Caesar Cipher III

Decode encrypted messages.

Cantor's Comb

Fractions between 0 and 1

Clock Arithmetic

Number of hours on the clock.

Coloring Multiples in Pascal's Triangle

 Practice multiplication tables, investigate number patterns, and investigatefractal patterns.

Comparison Estimator

Compare two sets of objects

Converter

Converts fractions to decimals and decimals to fractions.

Equivalent Fractions Finder

See  fractions that are equivalent to a given fraction.

Equivalent Fractions Pointer

See  fractions that are equivalent to a given fraction.

Estimator

Practice estimation skills

Estimator Four

"Connect-Four" style game

Estimator Quiz

Estimate  addition, multiplication, and percent.  

Factorize

Draw  factor sets  on the grid.

Factorize 2

Draw  factor sets  on the grid.

Fraction Finder

Find a fraction.

Fraction Four

Simplify fractions

Fraction Pointer

Find value of fractions

Fraction Quiz

Simplify fractions, convert fractions to decimals and percentages.

Fraction Sorter

 Order  fractions from least to greatest.

Function Machine

Determine inputs and outputs.

Linear Function Machine

Guess the slope and intercept from inputs and outputs.

Mixtures

Find percents through two piles of colored and uncolored chips.

More or Less Estimator

Estimate number of objects, the length of a line, or the area of a shape

Number Cruncher

"Function Machine"

Order of Operations Four

Fraction Four Game answer order of operations questions

Order of Operations Quiz

 practice order of operations

Pattern Generator

Recognize patterns

Positive Linear Function Machine

Investigate linear functions with positive slopes.

Sequencer

Number patterns in sequences

Tables and Chairs

Find chairs needed to surround different arrangements.

Tortoise and Hare Race

 multiplication of fractions and convergence of an infinite sequence of numbers.

Venn Diagram Shape Sorter

Sort colored shapes into a Venn Diagram.

Whole Number Cruncher

 multiplication and addition functions




Geometry

Interactive Tool  From "Shodor.org" Synopsis     -  Most Include Lesson Plans with the Interactive Tool
Tessellate! Create a tessellations
Surface Area and Volume  Change shape and see surface area and volume change
Stopwatch A stopwatch up to1/10 second
Squaring the Triangle Pythagorean Theorem
Sierpinski's Triangle  Geometric properties of fractals
The Chaos Game Experiment with probabilities
Sierpinski's Carpet Explore number patterns
Shape Builder Relationships between perimeter and area
Pythagorean Explorer  Use the Pythagorean Theorem,
Perimeter Explorer Relationships between perimeter and area
Koch's Snowflake Explore number patterns
Image Tool Measure angles, distances, and areas
Floor Tiles Tessellations
Fractal Dimensions Find fractal dimensions
Flake Maker Create fractals
Fractured Pictures Generate geometric fractals
Julia Sets Create fractals
Elapsed Time Find elapsed time
Clock Wise Practice clock reading
Angles  Practice relationships between angles
Transmographer Explore translations, reflections, and rotations
Transmographer 2 Experiment with reflections , rotations, and translations
Triangle Explorer  Areas of triangles
Two Variable Function Pump Graph in the x-y plane
   
   
   


 

 Algebra

Interactive Tool  From "Shodor.org" Synopsis    -  Most Include Lesson Plans with the Interactive Tool

Algebra Four

Version of connect four

Algebra Quiz

Solve algebraic linear and quadratic equations of one variable.

Conic Flyer

Manipulate equations on a coordinate plane using slider bars.

Data Flyer

Derive a function

Derivate

View the graph and the equation of the line tangent to any function at any point on the function.

Fraction Four

Version of connect four

Fraction Quiz

Simplify fractions, convert fractions to decimals and percentages

Function Flyer

Graph of the function.

Function Machine

Simple functions

General Coordinates Game

Identify the coordinates of a randomly generated point

Graph Sketcher

Create graphs of functions by entering formulas.

Graphit

Create graphs of functions and sets of ordered pairs

InteGreat!

Visually explore the idea of integration

Linear Function Machine

 Linear functions

Maze Game

Investigate the Cartesian coordinate system

Number Cruncher

 Guess the rule

Ordered Simple Plot

Plot ordered pairs

Positive Linear Function Machine

Linear functions with positive slopes

Possible or Not

Properties of functions

Recursion

Graph recursive functions

Sequencer

Number patterns in sequences

Simple Coordinates Game

 Identify coordinates of randomly generated points,

Simple Maze Game

Directing a robot through a mine field laid out on the grid.

Simple Plot

Ordered pairs of numbers,  as a scatter plot or dots connected.

Slope Slider

 linear function using slider bars.

Two Variable Function Pump

Ordered pairs of real numbers

Vertical Line Test

Vertical line test for functions

Whole Number Cruncher

 Multiplication and addition functions

 

Probability

Interactive Tool  From "Shodor.org" Synopsis   -  Most Include Lesson Plans with the Interactive Tool

 Better Fire!!

Simulation of how a fire will spread through a stand of trees

Adjustable Spinner

Create a game spinner with variable sized sectors

Advanced Monty Hall

Choose one of N doors to experimentally determine the odds of winning

Buffon's Needle

Experiment with a simulation to get an approximation of Pi

Coin Toss

 toss allowing the user to input the number of flips.

Crazy Choices Game

Compare theoretical and experimental probabilities.

Dice Table

Experiment with the outcome distribution for a roll of two dice

Experimental Probability

For elementary grades.

Fire!!

Run a simulation of how a fire will spreads

Generalized Monty Hall

Run a simulation to generate results from running the Monty Hall for multiple trials.

Marbles

Sampling with and without replacement

Racing Game with One Die

Simulate a game where two players each roll a die

Racing Game with Two Dice

Simulate a game where "N" players roll two dice

Spinner

Create a game spinner with one to twelve sectors to look at experimental and theoretical probabilities.

Two Colors Applet

Conditional probabilities.

 

 Statisics

Interactive Tool  From "Shodor.org" Synopsis   -  Most Include Lesson Plans with the Interactive Tool
Pie Chart Create a pie chart
Normal Distribution Change standard deviation
Stem and Leaf Plotter Use Stem & leaf plots
Skew Distribution Create a skewed distribution
Simple Plot Plot ordered pairs
Scatter Plot Graph ordered pairs
Regression Plot a bivariate data set
Rabbits and Wolves Experiment with a simple ecosystem
Plop It! Mean, median, and mode
Multi Bar Graph Create double bar graphs
Measures  Observe mean, median, variance, and standard deviation
Histogram Use Histograms
Data Flyer Learn how constants and coefficients affect a graph
Circle Graph Create a pie chart
Box Plot Create boxplots
Bar Graph Sorter Sort colored shapes into a bar graph  Elementary grade
Bar Graph Create a bar graph,
Advanced Monty Hall Determine the chances
Adjustable Spinner Experimental and theoretical probabilities


 

Discrete Math and Fun Stuff

Interactive Tool  From "Shodor.org" Synopsis   -  Most Include Lesson Plans with the Interactive Tool
Venn Diagrams Learn how categories in Venn Diagrams work.
Venn Diagram Shape Sorter Sort colored shapes into a Venn Diagram
Tables and Chairs Arrange chairs around various configurations
Rabbits and Wolves Experiment with a simple ecosystem
Life Lite Run a randomly generated world
Life Learning about probabilities, chaos and simulation
Directable Fire  A simulation of how a fire will spread
Derivate View the graph
Data Flyer Derive a function