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Algebra Four (Activity)
Students play a generalized version of connect four, gaining the chance to place a piece on the board by solving an algebraic equation. Parameters: Level of difficulty of equations to solve and type of problem. Algebra Four is one of the Interactivate assessment games.
This worksheet is for use with the Multiple Linear Regression activity (http://www.shodor.org/interactivate/activities/MultipleLinearRegression/).
This worksheet is for use with the Multi Function Data Flyer activity (http://www.shodor.org/interactivate/activities/MultiFunctionDataFly/).
Reinforces skills associated with multiplying fractions and mixed numbers.
This worksheet is for use with the Multiplying Fractions and Mixed Numbers lesson plan (http://www.shodor.org/interactivate/lessons/MultiplyingFractions/).
Multi-Step Functions (Discussion)
Discusses the notion of composite functions as several "number machines" with the output of one machine becoming the input of another.
Introduces the concept of tree diagrams as a way to compute probability of a multi-step event.
This worksheet is for use with the Multi Function Data Flyer activity (http://www.shodor.org/interactivate/activities/MultiFunctionDataFly/).
Introduction to various algorithms for solving single-variable, linear equations.
Extends the notion of conditional probability by discussing the effects of replacement on drawing multiple objects.
This worksheet is for use with the Multiplying Fractions and Mixed Numbers lesson plan (http://www.shodor.org/interactivate/lessons/MultiplyingFractions/).
What are Multiples (Discussion)
Discusses integer multiples as repeated addition.
Explains multiplication and division of fractions.
A review of the definition of decimals as well as a description of multiplying decimal numbers.
Inverse Properties (Discussion)
Introduces the concepts of the additive inverse and multiplicative inverse and how they are used when solving equations.
Introduces students to modular (clock) arithmetic and how modular arithmetic can be used to encode messages using simple shift, multiple and affine ciphers.
Enter a set of data points and a function or multiple functions, then manipulate those functions to fit those points. Manipulate the function on a coordinate plane using slider bars. Learn how each constant and coefficient affects the resulting graph.
Identity Properties (Discussion)
Introduces the concepts of the additive identity and multiplicative identity and how they are used when solving equations.
This worksheet is for use with the Multiple Linear Regression activity (http://www.shodor.org/interactivate/activities/MultipleLinearRegression/).
This worksheet is for use with the Whole Number Cruncher activity (http://www.shodor.org/interactivate/activities/WholeNumberCruncher/).
This worksheet is for use with the Algebra Quiz activity (http://www.shodor.org/interactivate/activities/AlgebraQuiz/).
This worksheet is for use with the Whole Number Cruncher activity (http://www.shodor.org/interactivate/activities/WholeNumberCruncher/).
Students investigate linear functions with positive slopes by trying to guess the slope and intercept from inputs and outputs. Positive Linear Function Machine is one of the Interactivate assessment explorers.
Slope and Y-intercept (Discussion)
Discusses slope and y-intercept and how they affect a graph.
Give input to the Whole Number Cruncher and try to guess what it did from the output it generates. This activity only generates multiplication and addition functions to avoid outputting any negative numbers. Whole Number Cruncher is one of the Interactivate assessment explorers.
Slope Slider (Activity)
Similar to other "flyers", Slope Slider uses slider bars to explore the effect of the multiplier and constant on a linear function of the form f(x)=mx+b. Explore the relationship between slope and intercept in the Cartesian coordinate system.
Data Flyer (Activity)
Enter a set of data points, then derive a function to fit those points. Manipulate the function on a coordinate plane using slider bars. Learn how each constant and coefficient affects the resulting graph.
This worksheet is for use with the Fraction Four activity (http://www.shodor.org/interactivate/activities/FractionFour/).
Looks at how Pascal's Triangle can be used to generate Sierpinski triangle-like results.
This worksheet is for use with the Factorize activity (http://www.shodor.org/interactivate/activities/Factorize/).
This worksheet is for use with the Multi Bar Graph activity (http://www.shodor.org/interactivate/activities/MultiBarGraph/).
Fraction Four (Activity)
Students play a generalized version of connect four, gaining the chance to place a piece after simplifying fractions, converting fractions to decimals and percentages, and answering algebra questions involving fractions. Choose difficulty level, question types, and time. Fraction Four is one of the Interactivate assessment games.
Sequencer (Activity)
Learn about number patterns in sequences and recursions by specifying a starting number, multiplier, and add-on. The numbers in the sequence are displayed on a graph, and they are also listed below the graph.
Finding Factors (Lesson)
Finding the factors of whole numbers.
This worksheet is for use with the Data Flyer activity (http://www.shodor.org/interactivate/activities/DataFlyer/).
Factorize (Activity)
Visualize factors through building rectangular areas on a grid. First enter all the factorizations of a number, then draw each factor set as an area on the grid. Factorize is one of the Interactivate assessment explorers.
Caesar Cipher (Activity)
Create your own affine cipher for encoding and decoding messages. Input your own constant and multiplier, then input a message to encode.
Students practice arithmetic skills. Can be tailored for practice of all types of single operation arithmetic ranging from simple addition to operations with integers and decimals.
This worksheet is for use with the Number Cruncher activity (http://www.shodor.org/interactivate/activities/NumberCruncher/).
Simulate a game where two players each roll a die, and the lucky player moves one step to the finish. Parameters: what rolls win and how many steps to the finish line.
This worksheet is for use with the Patterns in Pascal's Triangle lesson plan (http://www.shodor.org/interactivate/lessons/PatternsInPascal/).
Function Machine (Activity)
Students investigate very simple functions by trying to guess the algebraic form from inputs and outputs. Function Machine is one of the Interactivate assessment explorers.
This worksheet is for use with the Data Flyer activity (http://www.shodor.org/interactivate/activities/DataFlyer/).
This worksheet is for use with the Function Machine activity (http://www.shodor.org/interactivate/activities/FunctionMachine/).
Introduces the basic ideas needed for understanding linear functions.
Factorize 2 (Activity)
Visualize factors through building rectangular areas on a grid. As you draw each factor set on the grid, the factors will be listed. Factorize 2 is one of the Interactivate assessment explorers.
Multi Bar Graph (Activity)
Enter data to create a double bar graph, then manipulate the graph's maximum and minimum values.
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.
This worksheet is for use with the Finding Patterns in Pascal's Triangle lesson plan (http://www.shodor.org/interactivate/lessons/PatternsInPascal/).
This worksheet is for use with the Pascal's Triangle lesson plan (http://www.shodor.org/interactivate/lessons/PascalTriangle/).
Shows students that number patterns exist in the Pascal's Triangle, and reinforces student's ability to identify patterns.
This worksheet is for use with the Multi Bar Graph activity (http://www.shodor.org/interactivate/activities/MultiBarGraph/).
This worksheet is for use with the Fraction Four activity (http://www.shodor.org/interactivate/activities/FractionFour/).
This worksheet is for use with the Coloring Multiples in Pascal's Triangle activity (http://www.shodor.org/interactivate/activities/ColoringMultiples/).
This worksheet is for use with the Factorize activity (http://www.shodor.org/interactivate/activities/Factorize/).
Derivate (Activity)
View the graph and the equation of the line tangent to any function at any point on the function.
This image is for use with the Pascal's Triangle lesson plan (http://www.shodor.org/interactivate/lessons/PascalTriangle/).
Number Cruncher (Activity)
Similar to the original "Function Machine" but lists input and output in a table and will not let the user attempt to guess the rule without having at least two data points. Number Cruncher is one of the Interactivate assessment explorers.
Introduces students to arithmetic and geometric sequences. Students explore further through producing sequences by varying the starting number, multiplier, and add-on.
This worksheet is for use with the Practicing Arithmetic lesson plan (http://www.shodor.org/interactivate/lessons/PracticingArithmetic/).
Introduces the notion of using modular arithmetic to encode messages.
Students compare multiple independent variables as predictors of one dependent variable. Students explore correlation and lines of best-fit.
Integer Multiplication (Discussion)
Introduces the multiplication of integers.
Caesar Cipher II (Activity)
Encode and decode messages to determine the form for an affine cipher. Input a message to encode, then input your guesses for the constant and multiplier. Caesar Cipher II is one of the Interactivate assessment explorers.
Distributive Property (Discussion)
Introduces the concept of the distributive property.
This worksheet is for use with the Coloring Multiples in Pascal's Triangle activity (http://www.shodor.org/interactivate/activities/ColoringMultiples/).
This worksheet is for use with the Multi Bar Graph activity (http://www.shodor.org/interactivate/activities/MultiBarGraph/).
Caesar Cipher III (Activity)
Decode encrypted messages to determine the form for an affine cipher, and practice your reasoning and arithmetic skills. Input your guesses for the multiplier and constant. Caesar Cipher III is one of the Interactivate assessment explorers.
This worksheet is for use with the Finding Patterns in Pascal's Triangle lesson plan (http://www.shodor.org/interactivate/lessons/PatternsInPascal/).
Factors (Lesson)
Students learn about factoring by using manipulatives and computer applets.
This worksheet is for use with the Multi Bar Graph activity (http://www.shodor.org/interactivate/activities/MultiBarGraph/).
This worksheet is for use with the Linear Function Machine activity (http://www.shodor.org/interactivate/activities/LinearFunctMachine/).
Spy Game (Lesson)
Students will learn about modular arithmetic in order to decipher encrypted messages.
This worksheet is for use with the Number Cruncher activity (http://www.shodor.org/interactivate/activities/NumberCruncher/).
This worksheet is for use with the Algebra Four activity (http://www.shodor.org/interactivate/activities/AlgebraFour/).
This worksheet is for use with the Algebra Four activity (http://www.shodor.org/interactivate/activities/AlgebraFour/).
Introduces and explains the concept of independent and dependent variables and their applications in real-world problems.
Enter two complex numbers (z and c) as ordered pairs of real numbers, then click a button to iterate step by step. The iterates are graphed in the x-y plane and printed out in table form. This is an introduction to the idea of prisoners/escapees in iterated functions and the calculation of fractal Julia sets.
This worksheet is for use with the Linear Inequalities activity (http://www.shodor.org/interactivate/activities/inequality/).
This worksheet is for use with the Pythagorean Explorer activity (http://www.shodor.org/interactivate/activities/PythagoreanExplorer/).
Discusses the notion of functions as a "number machine" with input and output.
Perimeter Algorithm (Discussion)
Introduces a method for finding perimeters of irregular shapes on a grid.
Percents (Discussion)
Covers the basics of converting fractions into percents.
Perimeter Explorer (Discussion)
Introduces a method for finding perimeters of rectangular shapes on a grid.
This worksheet is for use with the Function Machine activity (http://www.shodor.org/interactivate/activities/FunctionMachine/).
This worksheet is for use with the Graph Sketcher activity (http://www.shodor.org/interactivate/activities/GraphSketcher/).
This worksheet is for use with the Equivalent Fractions Finder activity (http://www.shodor.org/interactivate/activities/EquivFractionFinder/).
This worksheet is for use with the Function Flyer activity (http://www.shodor.org/interactivate/activities/FunctionFlyer/).
Algorithm (Discussion)
Introduces the concept of algorithms and how algorithms affect mathematics.
Shape Explorer (Discussion)
Introduces students to finding areas and perimeters of irregular shapes on a grid.
Parametric GraphIt (Activity)
This activity allows the user to plot ordered pairs and parametric equations on the same coordinate plane. The applet is similar to GraphIt, but instead allows users to explore the parametric representation of a function.
This worksheet is for use with the lesson Derivate (http://www.shodor.org/interactivate/lessons/Derivate/).
This worksheet is for use with the Equivalent Fractions Pointer activity (http://www.shodor.org/interactivate/activities/EquivFractionPointer/).
This worksheet is for use with the Functional Graphs lesson plan (http://www.shodor.org/interactivate/lessons/FunctionalGraphs/).
This worksheet is for use with the Arithmetic Quiz activity (http://www.shodor.org/interactivate/activities/ArithmeticQuiz/).
This worksheet is for use with the Sequencer activity (http://www.shodor.org/interactivate/activities/Sequencer/).
This worksheet is for use with the Arithmetic Four activity (http://www.shodor.org/interactivate/activities/ArithmeticFour/).
This worksheet is for use with the lesson Volume of Rectangular Prisms (http://www.shodor.org/interactivate/lessons/VolumeRectangular/).
This worksheet is for use with the Caesar Cipher III activity (http://www.shodor.org/interactivate/activities/CaesarCipherThree/).
This worksheet is for use with the Tables and Chairs activity (http://www.shodor.org/interactivate/activities/Chairs/).
This worksheet is for use with the Linear Inequalities activity (http://www.shodor.org/interactivate/activities/inequality/).
This worksheet is for use with the Derivate activity (http://www.shodor.org/interactivate/activities/Derivate/).
Step through the generation of a Hilbert Curve -- a fractal made from deforming a line by bending it, and explore number patterns in sequences and geometric properties of fractals.
Questions about games with more than two dice lead to discussion of trees as another kind of data structure.
This worksheet is for use with the Graphit activity (http://www.shodor.org/interactivate/activities/Graphit/).
Demonstrates the connections between formulas and graphs.
Koch's Snowflake (Activity)
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.
Fraction Quiz (Activity)
Test your fraction skills by answering questions. This quiz asks you to simplify fractions, convert fractions to decimals and percentages, and answer algebra questions involving fractions. Choose difficulty level, question types, and time. Fraction Quiz is one of the Interactivate assessment quizzes.
This worksheet is for use with the Parametric GraphIt activity (http://www.shodor.org/interactivate/activities/ParametricGraphIt/).
This worksheet is for use with the Pythagorean Explorer activity (http://www.shodor.org/interactivate/activities/PythagoreanExplorer/).
This worksheet is for use with the Slope Slider activity (http://www.shodor.org/interactivate/activities/SlopeSlider/).
This worksheet is for use with the Transmographer 2 activity (http://www.shodor.org/interactivate/activities/TransmographerTwo/).
This worksheet is for use with the lesson Fraction Facts (http://www.shodor.org/interactivate/lessons/FractionFacts/).
Introduces students to making estimations.
Outlines the approach to building fractals by cutting out portions of plane figures.
A capstone lesson to allow students to build a working definition of fractal.
This worksheet is for use with the Slope Slider activity (http://www.shodor.org/interactivate/activities/SlopeSlider/).
Looks at data structures and their applications to probability theory.
Students work step-by-step through the generation of a different Hilbert-like Curve (a fractal made from deforming a line by bending it), allowing them to explore number patterns in sequences and geometric properties of fractals.
Calculate the length of one side of an automatically generated right triangle by using the Pythagorean Theorem, and then check your answers. Pythagorean Explorer is one of the Interactivate assessment explorers.
Replacement (Discussion)
Extends the notion of conditional probability by discussing the effects of replacement on drawing multiple objects.
Derivate (Lesson)
Explores derivatives and the idea of infinity using a geometric interpretation of slope.
Introduces students to the vertical line test for graphs of functions.
This worksheet is for use with the Tortoise and Hare Race activity (http://www.shodor.org/interactivate/activities/Tortoise/).
Introduces the concept of volume of a rectangular prism.
Step through the generation of Sierpinski's Triangle -- a fractal made from subdividing a triangle into four smaller triangles and cutting the middle one out. Explore number patterns in sequences and geometric properties of fractals.
Learn about how the Pythagorean Theorem works through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle.
Teaches distinguishing between possible and impossible graphs of functions as well as causes of graphical impossibility.
This worksheet is for use with the Parametric GraphIt activity (http://www.shodor.org/interactivate/activities/ParametricGraphIt/).
This worksheet is for use with the Tables and Chairs activity (http://www.shodor.org/interactivate/activities/Chairs/).
Order of Operations (Discussion)
Introduces the convention of order of operations.
This worksheet is for use with the Equivalent Fractions Finder activity (http://www.shodor.org/interactivate/activities/EquivFractionFinder/).
Arithmetic Four (Activity)
Students play a generalized version of connect four, gaining the chance to place a piece on the board by answering arithmetic questions (addition, subtraction, multiplication, division). Parameters: time, difficulty level, types of questions. Arithmetic Four is one of the Interactivate assessment games.
This worksheet is for use with the activity Clock Arithmetic (http://www.shodor.org/interactivate/activities/ClockArithmetic/).
Students learn how the Pythagorean Theorem works and how to apply it.
This worksheet is for use with the Equivalent Fractions Pointer activity (http://www.shodor.org/interactivate/activities/EquivFractionPointer/).
This worksheet is for use with the Order of Operations Four activity (http://www.shodor.org/interactivate/activities/OrderOfOperationsFou/).
This worksheet is for use with the Order of Operations Quiz activity (http://www.shodor.org/interactivate/activities/OperationsQuiz/).
Computing exact probabilities for the Racing Game leads to the formula for the probability of simultaneous events.
Fraction King (Lesson)
Students and teacher play a game called "Fraction King" to understand the idea of taking fractional parts of whole numbers then use manipulatives and several computer applets to cement the idea.
This worksheet is for use with the Equivalent Fractions Pointer activity (http://www.shodor.org/interactivate/activities/EquivFractionPointer/).
This worksheet is for use with the Fraction Quiz activity (http://www.shodor.org/interactivate/activities/FractionQuiz/).
This worksheet is for use with the Caesar Cipher II activity (http://www.shodor.org/interactivate/activities/CaesarCipherTwo/).
Estimator Four (Activity)
Play a "Connect-Four" style game, earning a game piece each time you answer an estimation question correctly. This game asks the players to estimate the answer to addition, multiplication, and percentage questions. Choose difficulty level, question types, and time. Estimator Four is one of the Interactivate assessment games.
Place Value (Discussion)
Discusses what individual digits represent in multi-digit integers.
This worksheet is for use with the lesson Derivate (http://www.shodor.org/interactivate/lessons/Derivate/).
This worksheet is for use with the Functional Graphs lesson plan (http://www.shodor.org/interactivate/lessons/FunctionalGraphs/).
This worksheet is for use with the Caesar Cipher III activity (http://www.shodor.org/interactivate/activities/CaesarCipherThree/).
Introduces students to the concept of base ten and how to use other base number systems.
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. Equivalent Fraction Pointer is one of the Interactivate assessment explorers.
Fraction Facts (Lesson)
Introduces students to fractions and explores basic mathematical operations with fractions, comparing fractions, and converting fractions into decimals or percents.
This worksheet is for use with the Clock Arithmetic activity (http://www.shodor.org/interactivate/activities/ClockArithmetic/).
Students learn how to convert from fractions to percentages.
Visually represent two unique fractions that are equivalent to a given fraction. The fractional value is shown on a number line after you check to see if your fraction is correct. Equivalent Fraction Finder is one of the Interactivate assessment explorers.
This worksheet is for use with the Derivate activity (http://www.shodor.org/interactivate/activities/Derivate/).
This worksheet is for use with the Tortoise and Hare Race activity (http://www.shodor.org/interactivate/activities/Tortoise/).
Pascal's Triangle (Discussion)
Introduces Pascal's Triangle in terms of probability.
Students learn to identify a variety of patterns using sequences and tessellations.
This worksheet is for use with the Function Flyer activity (http://www.shodor.org/interactivate/activities/FunctionFlyer/).
This worksheet is for use with the Function Flyer activity (http://www.shodor.org/interactivate/activities/FunctionFlyer/).
This worksheet is for use with the Squaring the Triangle activity (http://www.shodor.org/interactivate/activities/SquaringTheTriangle/).
Students investigate linear functions by trying to guess the slope and intercept from inputs and outputs. Linear Function Machine is one of the Interactivate assessment explorers.
This worksheet is for use with the Squaring the Triangle activity (http://www.shodor.org/interactivate/activities/SquaringTheTriangle/).
This worksheet is for use with the Sequencer activity (http://www.shodor.org/interactivate/activities/Sequencer/).
This worksheet is for use with the Estimator Four activity (http://www.shodor.org/interactivate/activities/EstimatorFour/).
This worksheet is for use with the Linear Function Machine activity (http://www.shodor.org/interactivate/activities/LinearFunctMachine/).
This worksheet is for use with the Equivalent Fractions Finder activity (http://www.shodor.org/interactivate/activities/EquivFractionFinder/).
This worksheet is for use with the Order of Operations Four activity (http://www.shodor.org/interactivate/activities/OrderOfOperationsFou/).
This worksheet is for use with the Order of Operations Quiz activity (http://www.shodor.org/interactivate/activities/OperationsQuiz/).
Linear Inequalities (Activity)
Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
Introduces the basic ideas needed for understanding functions.
This worksheet is for use with the Linear Function Machine activity (http://www.shodor.org/interactivate/activities/LinearFunctMachine/).
This worksheet is for use with the Caesar Cipher activity (http://www.shodor.org/interactivate/activities/CaesarCipher/).
This worksheet is for use with the Arithmetic Four activity (http://www.shodor.org/interactivate/activities/ArithmeticFour/).
Students play a generalized version of connect four, gaining the chance to place a piece on the board by answering order of operations questions (addition/subtraction, multiplication/division, exponents, and parentheses). Parameters: time, difficulty level, types of questions. Order of Operations Four is one of the Interactivate assessment games.
This worksheet is for use with the lesson Volume of Rectangular Prisms (http://www.shodor.org/interactivate/lessons/VolumeRectangular/).
Introduces students to a geometric derivation of the conic sections.
Volume of Prisms (Lesson)
This lesson teaches students how to find the volume of non-rectangular prisms.
This worksheet is for use with the Estimator Four activity (http://www.shodor.org/interactivate/activities/EstimatorFour/).
This activity allows the user to practice order of operations with addition/subtraction, multiplication/division, exponents, and parentheses. Order of Operations Quiz is one of the Interactivate assessment quizzes.
Sierpinski's Carpet (Activity)
Step through the generation of Sierpinski's Carpet -- a fractal made from subdividing a square into nine smaller squares and cutting the middle one out. Explore number patterns in sequences and geometric properties of fractals.
This worksheet is for use with the Estimator Quiz activity (http://www.shodor.org/interactivate/activities/EstimatorQuiz/).
This lesson teaches students how to find the volume of rectangular prisms.
Discussion of tables as a convenient way to store and count outcomes.
Clock Arithmetic (Activity)
Work with various types of clocks in order to learn about modular arithmetic operations. Parameters: Number of hours on the clock.
This worksheet is for use with the Slope Slider activity (http://www.shodor.org/interactivate/activities/SlopeSlider/).
Introduces the concept of finding volume of a triangular prism
Introduces students to the ideas involved in understanding fractals.
This worksheet is for use with the Arithmetic Quiz activity (http://www.shodor.org/interactivate/activities/ArithmeticQuiz/).
This worksheet is for use with the Estimator Quiz activity (http://www.shodor.org/interactivate/activities/EstimatorQuiz/).
This worksheet is for use with the Slope Slider activity (http://www.shodor.org/interactivate/activities/SlopeSlider/).
This worksheet is for use with the Transmographer 2 activity (http://www.shodor.org/interactivate/activities/TransmographerTwo/).
Graphit (Activity)
Create graphs of functions and sets of ordered pairs on the same coordinate plane. This is like a graphing calculator with advanced viewing options.
Introduces students to modular (clock) arithmetic and its uses in real world problem-solving.
Area (Discussion)
Looks at finding areas of irregular shapes on a grid.
This lesson will challenge students to think creatively by having them design and build water balloon catchers from random scrap materials, while requiring them to take into consideration a multitude of variables. Students will then construct at least two bar graphs to be used in a commercial advocating the purchase of their group's catcher.
Introduces conditional probability and the probability of simultaneous events.
This worksheet is for use with the Fraction Quiz activity (http://www.shodor.org/interactivate/activities/FractionQuiz/).
Tables and Chairs (Activity)
Explore perimeter through rectangular and straight-line arrangements of tables, calculating the number of chairs needed to surround different arrangements. Tables and Chairs is one of the Interactivate assessment explorers.
This worksheet is for use with the Linear Function Machine activity (http://www.shodor.org/interactivate/activities/LinearFunctMachine/).
This worksheet is for use with the Fraction King lesson plan (http://www.shodor.org/interactivate/lessons/FractionKing/).
This worksheet is for use with the lesson Volume of Prisms (http://www.shodor.org/interactivate/lessons/VolumePrisms/).
This worksheet is for use with the lesson Volume of Prisms (http://www.shodor.org/interactivate/lessons/VolumePrisms/).
Reading Graphs (Lesson)
Demonstrates the connections between formulas, graphs and words.
This worksheet is for use with the Graph Sketcher activity (http://www.shodor.org/interactivate/activities/GraphSketcher/).
This worksheet is for use with the Graphit activity (http://www.shodor.org/interactivate/activities/Graphit/).
Conic Flyer (Activity)
Manipulate different types of conic section equations on a coordinate plane using slider bars. Learn how each constant and coefficient affects the resulting graph. Choose from vertical or horizontal parabola, circle, ellipse, and vertical or horizontal hyperbola.
This worksheet is for use with the activity Clock Arithmetic (http://www.shodor.org/interactivate/activities/ClockArithmetic/).
Introduces students to length, perimeter and area.
This worksheet is for use with the Equivalent Fractions Finder activity (http://www.shodor.org/interactivate/activities/EquivFractionFinder/).
Graph Sketcher (Activity)
Students can create graphs of functions entered as algebraic expressions -- similar to a graphing calculator.
This worksheet is for use with the Derivate activity (http://www.shodor.org/interactivate/activities/Derivate/).
Transmographer 2 (Activity)
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. Parameters: Shape, x or y translation, x or y reflection, angle of rotation
Demonstrates how fractions are added and subtracted.
This worksheet is for use with the lesson Fraction Facts (http://www.shodor.org/interactivate/lessons/FractionFacts/).
This worksheet is for use with the Equivalent Fractions Pointer activity (http://www.shodor.org/interactivate/activities/EquivFractionPointer/).
This worksheet is for use with the Caesar Cipher activity (http://www.shodor.org/interactivate/activities/CaesarCipher/).
This worksheet is for use with the Arithmetic Four activity (http://www.shodor.org/interactivate/activities/ArithmeticFour/).
Arithmetic Quiz (Activity)
Arithmetic Quiz gives the user randomized questions to answer on arithmetic with whole numbers and integers. Parameters: Level of difficulty and types of questions. Arithmetic Quiz is one of the Interactivate assessment quizzes.
Advanced Fire (Activity)
Run a simulation of how a fire spreads through a stand of trees, learning about probability and chaos. Track the results of multiple burns and use the data to draw conclusions.
Squaring the Triangle (Discussion)
Introduces students to the Pythagorean theorem with explanations on what it means and how to use it.
Students are introduced to correlation between two variables and the line of best fit.
Introduces students to plotting points on the Cartesian coordinate system -- an alternative to "Graphing and the Coordinate Plane."
This worksheet is for use with the Caesar Cipher II activity (http://www.shodor.org/interactivate/activities/CaesarCipherTwo/).
This worksheet is for use with the Clock Arithmetic activity (http://www.shodor.org/interactivate/activities/ClockArithmetic/).
What are Remainders (Discussion)
Reviews long division of integers and modular arithmetic.
Comparing Fractions (Discussion)
Introduces students to the basics of reducing fractions and learning to compare fractions.
Estimator Quiz (Activity)
Test your estimation skills by answering questions. This quiz asks you to estimate the answer to addition, multiplication, and percentage questions. Choose difficulty level, question types, and time. Estimator Quiz is one of the Interactivate assessment quizzes.
Linear Functions (Discussion)
Discusses functions of the form y = ___*x + ___.
Introduces all of the 2 variable function and prisoner/escapee notions necessary to understand the Mandelbrot set.
This worksheet is for use with the Racing Game with One Die activity (http://www.shodor.org/interactivate/activities/RacingGameWithOneDie/).
Flake Maker (Activity)
Create your own fractals by drawing a "line deformation rule" and stepping through the generation of a geometric fractal. Parameters: Grid type, number of bending points on the line.
Function Flyer (Activity)
A more advanced version of Slope Slider, this activity allows the manipulation of the constants and coefficients in any function thereby encouraging the user to explore the effects on the graph of the function by changing those numbers.
Run a simulation to generate results from running the Monty Hall for multiple trials. This is similar to the game show "Let's Make A Deal", where you choose one of N doors in hopes of finding a grand prize behind one of the doors. Parameters: Number of doors, number of trials, staying, or switching between the two remaining doors.
Gives an introduction to the concept of a logarithms and shows how logs can be used to calculate fractal dimension.
Two Variable Functions (Discussion)
Introduces 2 variable functions as ordered pairs and how to operate perform operations on ordered pairs.

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