Variables, Equations,

Powers,
Exponents,

& 

The
Coordinate Plane

 

MyMathTutor: PreAlgebra Topics 
(online video tutorials about pre-algebra topics)

Late Delivery
(Identifying values for a variable)

Number Cruncher
(lists input and output in a table and will not let the user attempt to guess the rule on without at least having two data points.)

Function Machine
(Explore the concept of functions by putting values into this machine and observing its output.)

Algebra Balance Scales
(Solve simple linear equations using a balance beam representation.)

Science, Optics & You, The Universe Within (Powers of 10)
(Move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree, then begin to move from the actual size of a leaf into a microscopic world that reveals leaf cell walls, into the subatomic universe of electrons and protons.

Equation Match
(Identify equations with the same value for “x”)

Function Machine
(Solve one and two step problems)

Billy Bug 2
(Locating points on all quadrants of the coordinate plane)

Planet Hop
(Locating points on all quadrants of the coordinate plane)

Algebra vs. The Cockroaches
(It's you against the cockroaches crawling on your graph paper!  This online game is available on Hotmath.  Click on "games" to locate it.)

Shodor: Ordered Simple Plot
(Allows the user to plot and connect ordered pairs in the order that they are input. This enables pictures to be drawn by connecting the pairs rather than having the computer connect them from left to right..)

Integers
 &
Equations

 

Virtual Manipulative:  Circle Zero
(A puzzle involving adding positive and negative integers to sum to zero.)

Virtual Manipulative:  Circle 21
(A puzzle involving adding positive and negative integers to sum to 21.)

Virtual Manipulative:  Circle 99
(A puzzle involving adding positive and negative integers to sum to 99.)

Virtual Manipulative:  Color Chips Addition
(Use color chips to illustrate addition of integers.)

Virtual Manipulative:  Color Chips Subtraction
(Use color chips to illustrate subtraction of integers.)

Factors, Fractions

&
Scientific Notation

Illuminations:  Product Game
(2-player game to practice factors & multiples)

Virtual Manipulatives: Factor Tree
(Factor numbers using a tree diagram)

Interactivate: Factorize
(Identify factors of numbers and illustrate on graphs)

Factortris!
(A game like "Tetris", using factors.  This online game is available on Hotmath.  Click on "games" to locate it.)

Shodor's Fraction Converter
(create equivalent fractional graphics)

Shodor's Equivalent Fractions Finder
(create equivalent fractional graphics)

Shodor's Fraction Four
(Practice simplifying, converting, multiplying, decimals, &, & fractions)

Fractions-Multiple Activities
(Operations on fractions covered in K8 math courses. Includes explanation, interactive practice & challenge games about fractions)

Scientific Notation
(Convert standard numbers to scientific notation.)

Scientific Notation Generator
(practice converting any number from basic notation to scientific notation.)

Operations
with
Rational Numbers
 &
Algebra

BBC's Maths Files: Saloon Snap
(identify equivalent fractions, decimals & percents)

Virtual Manipulatives: Pie Chart
(Explore percentages and fractions using pie charts.)

Illuminations: Fraction Model 1
(With this tool, you can explore different representations for fractions. In this version, the numerator is restricted to values from 0 to 20, and the denominator is limited to benchmark values of 1, 2, 4, 5, 8, 10 and 20.)

Illuminations: Fraction Model 2
(With this tool, you can explore different representations for fractions. In this version, the numerator and denominator can take values up to 20.)

Illuminations: Fraction Model 3
(With this tool, you can explore different representations for fractions. In this version, the numerator and denominator can take values up to 100.)

Decimals
(These pages teach operations on decimals covered in K8 math courses.
Each page has an explanation, interactive practice and challenge.)

Decimal and Whole Number Jeopardy: 
(practice many types of math operations in a jeopardy style format, for one or two players)

Decimals: Fast Facts -
(learn how to add, subtract, multiply, divide, and round decimals. Includes a place value chart)

Sock: Adding Decimals
(3D game.  Push the green blocks into the holes to make the target number.)

Virtual Manipulatives: Rectangle Multiplication of Integers
(Visualize and practice multiplying integers using an area representation.)

Virtual Manipulatives: Algebra Tiles
(Visualize multiplying and factoring algebraic expressions using tiles.)

Shodor: Stem & Leaf Plotter
(organize and graph data  into Stem and leaf plots. This applet can also be used help students practice calculating mean median and mode.)

Shodor: Image Tool
(User can measure angles, distances, and areas in several different images; maps, aerial photos, etc. A scale feature allows the user to set the scale used for measuring distances and areas.)

Polygons
 &
Transformations

Rational,
&
Irrational Numbers,

Right Triangles
&
Pythagorean Theorem

Rational & Irrational Numbers
(Explanation of rational & irrational numbers.)

Quia's Rational & Irrational Numbers
(online quiz to identify rational & irrational numbers)

Shodor: Pythagorean Explorer
(Students find the length of a side of a right triangle by using the Pythagorean Theorem, and then check their answers.)

Shodor: Squaring the Triangle
(Students learn about how the Pythagorean Theorem works, through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle.)

Illuminations: Area in Geometry
(Area is one of the most fundamental measurements in geometry. These three JavaSketchpad applets can help you to understand and investigate how to find the area of the rectangle, parallelogram, and triangle.)

Measurement,  Area
&
Volume

Illuminations: Area in Geometry
(Area is one of the most fundamental measurements in geometry. These three JavaSketchpad applets can help you to understand and investigate how to find the area of the rectangle, parallelogram, and triangle.)

Shodor Interactivate: Area Explorer
(Students are shown shapes on a grid after setting the perimeter and asked to calculate areas of the shapes.)

Area & Perimeter
(Visual tutorial of area and perimeter)

How Many Cubes?
(Calculate how many cubes you need to make the different 3D shapes shown.)

MathsNet Interactive Geometry: 3d Nets
(Use the display and the slider to see how shapes up made up from their nets.)

Illuminations:  Cube Nets
(examine various two-dimensional figures to determine which ones can be folded into a cube.)

Unfolding Polyhedra
(examine various three-dimensional figures and view how they unfold into two-dimensional figures.)

Interactive Mathematics: Geoboards
(Use interactive geoboards to illustrate area, perimeter, and rational number concepts.)

Linear Equations
&
Graphs



 

Algebra vs. The Cockroaches
(It's you against the cockroaches crawling on your graph paper!  This online game is available on Hotmath.  Click on "games" to locate it.)

Shodor: Slope Slider
(Help students manipulate the linear function F(x)=mx+b and explore the relationship between slope and intercept in the Cartesian coordinate system.)

Shodor: Function Flyer
(This version of Slope Slider allows the student to enter in the function of his or her choice. This will encourage the user to explore the effects on the graph of manipulating the constants and coefficients. This applet can also be used as tool to correct graphing work sheets.)

Shodor: Data Flyer
(Similar to Function Flyer, but with the capability of plotting data points as well as a function. Then you can tweak the function to fit the data..)

Shodor: Positive Linear Function Machine
(Students investigate linear functions with positive slopes by trying to guess the slope and intercept from inputs and outputs.)

Shodor: Linear Function Machine
(Similar to Function Flyer, but with the capability of plotting data points as well as a function. Then you can tweak the function to fit the data.)

Data Analysis
&
Probability

Illuminations: Circle Grapher
(This tool allows students to create a customized circle graph as well as display pre-set circle graphs.)

Illuminations: Box Plotter
(This tool allows students to create a customized box plot as well as display pre-set box plots.)

Shodor: Stem & Leaf Plotter
(organize and graph data  into Stem and leaf plots. This applet can also be used help students practice calculating mean median and mode.)

Shodor: Box Plot 1
(View data in individual sets and compile data in to one large set.  Introduce students to the terminology used with box plots. This box plot applet does use the median to calculate the interquartile range)

Shodor: Box Plot 2
(View data in individual sets and compile data in to one large set.  Introduce students to the terminology used with box plots. This box plot applet does not use the median to calculate the interquartile range)

Shodor: Probability
(Experiment with experimental probability using a fixed size section spinner, a variable section spinner, 2 regular 6-sided number cubes or design your own number cubes.)

Illuminations: Adjustable Spinner
(This tool allows students to create their own spinners and examine the outcomes given a specified number of spins. Students learn that experimental probabilities differ according to the characteristics of the model; they also grapple with the idea of variability–that two identical spinners or dice may not produce identical experimental data.)

Illuminations: Crazy Choices Game
(Three players play games of chance using dice, cards, spinners or coin tosses, to compare theoretical and experimental probabilities. Parameters: Type of game for each player, number of trials.)