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Topic (Course) 
Technology 
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Algebra Balance Scales

Linear relationships (Math 7) 
Java Applet 
Tool 

[10]

This mathlet allows you to solve simple linear equations through the use of a balance beam. Unit blocks (representing 1s) and Xboxes (for the unknown, X), are placed on the pans of a balance beam.
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Algebra Balance Scales  Negat...

Linear relationships (Math 7) 
Java Applet 
Tool 

[8]

Solve simple linear equations using a balance beam representation. Coefficients and constants may be positive or negative.
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Constant Cost per Minute

Graph (Math 7)+ 
Java Applet 
Tool 

[0]

Users examine and try to understand the relationship between a constant rate and how it affects the cost over time.
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Equation of a Line: SlopeInte...

Slopeintercept form (Math 7) 
Java Applet 
Tool 

[2]

This applet illustrates the slopeintercept equation of a line.
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Expression Pan Balance

Linear relationships (Math 7) 
Java Applet 
Tool 

[0]

As students begin to use symbolic representations they use variables as place holders or unknowns. As their use of symbolic representation grows, they need to engage in reasoning about the symbolic r...
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Geoboard  Coordinate

Find slope (Math 7) 
Java Applet 
Tool 

[0]

Rectangular geoboard with x and y coordinates.
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LineUp with Math

Distanceratetime (Math 7) 
Java Applet 
Tool 

[0]

LineUp With Math(TM) consists of six Problem Sets. Each enables students to explore and apply decisionmaking and proportional reasoning skills to resolve distanceratetime conflicts in realistic ...
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Linear Function Machine

Linear relationships (Math 7) 
Java Applet 
Tool 

[0]

This activity allows the user to explore simple linear functions. This Java applet requires a Javacapable browser. If you don't see the applet Java may not be functional in your browser or on your ma...
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Linear Lasers

Linear relationships (Math 7) 
Java Applet 
Tool 

[4]

This project uses Java and Flash technologies to graphically represent the concept of linear functions (of the form y = mx + b). The project has four sections including a demonstration, prethink, Jav...
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Linear Transformer

Represent (Math 7)+ 
Java Applet 
Tool 

[0]

Highlight the meaning of each component of a linear function's symbolic expression with this tool that links symbolic and graphic representations of translating (dragging) a line vertically or horizon...
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Marabyn

Distanceratetime (Math 7) 
Java Applet 
Tool 

[0]

Students change the distance Marabyn rides the bus and the distance she walks to fit constraints about the distance and time that she walks.
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Number Pan Balance

Linear relationships (Math 7) 
Java Applet 
Tool 

[1]

The shape balance equations can be translated directly into number sentences which emphasize the relationship role of the equals sign.
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Online Grapher

Linear relationships (Math 7) 
Java Applet 
Tool 

[1]

This Java applet can be used to graph functions using function notation. It allows zooming and rescaling.
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Positive Linear Function Machi...

Linear relationships (Math 7) 
Java Applet 
Tool 

[1]

This activity allows the user to explore simple linear functions; the function is determined by looking for patterns in the outputs.
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Rumors

Graph (Math 7) 
Java Applet 
Tool 

[0]

Students use a simulation to discover how the number of students who are told about a rumor varies with time
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Shape Pan Balance

Linear relationships (Math 7) 
Java Applet 
Tool 

[0]

The pan balance activity is designed to give students experiences with the major properties of equivalence, even though it maybe not be profitable to overtly discuss these properties.
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Shooting Balls

Linear relationships (Math 7) 
Java Applet 
Tool 

[3]

One or two player game reinforcing slope and intercept. Three levels of play help students ramp up from lines passing through the origin, to lines with a fixed yintercept, to lines through two fixed...
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Slope Slider

Find slope (Math 7) 
Java Applet 
Tool 

[0]

This activity allows the user to use various controls to manipulate a linear function graphically.
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Slow & Fast Math Cats

Linear relationships (Math 7)+ 
Java Applet 
Tool 

[0]

Choose the speed at which two cats catch mice, and the time
until the faster mousecatcher catches up to the slower one;
then predict when the two will have the same number of mice.
This tool offer...
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Spreadsheet and Graphing Tool

Linear relationships (Math 7) 
Java Applet 
Tool 

[0]

The equals sign has many other uses and interpretations. Each use provides an alternative viewpoint on the concept of equality, a different way in which mathematical objects can be equivalent.
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WebGrapher

Linear relationships (Math 7) 
Java Applet 
Tool 

[0]

This is a Java graphing applet that can be used online or downloaded. The purpose it to construct dynamic graphs with parameters controlled by user defined sliders that can be saved as web pages or em...
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Create a Graph

Graph (Math 7) 
JavaScript 
Tool 

[3]

From the NCES Students' Classroom: fill in the data, and this tool will create a graph (bar, line, area, pie, or xy). Includes sample data.
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Distance, Rate, and Time

Distanceratetime (Math 7) 
JavaScript 
Tool 

[0]

The user learns about rates and how to use formulas for solving word problems. After viewing examples, users can interactively practice problems using proportions or the distance formula to find the m...
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Linear Equation from 2 Points

Find slope (Math 7) 
JavaScript 
Tool 

[0]

Find the y=mx+b form of the equation by entering two given points. Shows the calculation steps.
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Slopes And Lines

Linear relationships (Math 7)+ 
JavaScript 
Tool 

[0]

This JavaScript mathlet uses an "etchasketch" style graphing machine to model slopes of lines.
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