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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Piecewise Linear Grapher

Functions (Math 7)+ 
Java Applet 
Tool 

[0]

Highlight the language of domain and range, and the ideas of continuity and discontinuity, with this tool that links symbolic and graphic representations of each interval of a piecewise linear functio...
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Pinwheel Tiling

Tessellations (Geometry) 
Java Applet 
Tool 

[1]

Construct and explore an asymmetric tiling of the plane by right triangles.
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Pitching Cards

Measurement (Math 3)+ 
Computer 
Lesson Plan 

[0]

Students measure distances using standard and nonstandard units and record their measurement in various tables. Then use descriptive statistics to report the results. In this lesson, students play a g...
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Place Value

Place value (Math 2)+ 
JavaScript 
Tool 

[1]

The user learns about place value. After viewing examples, users can interactively practice determining the place value of a specific digit in a given number.
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Place Value Chart

Number sense (Kindergarten)+ 
iPad 
Tool 
$ 
[3]

This iPad/iPhone/iPod touch app provides an interactive place value chart. You can place tokens by touching the screen and move them around with your finger(s). Moving tokens between different places ...
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Place Value Circles Graphic

General (Math 2)+ 
Presentation software 
Tool 

[0]

This is a graphic presentation of place value using scaled circles. There are very few examples of using scaled circles to demonstrate place value and oftentimes the models are 3D presentations with w...
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Place Value Mathlets

Counting (Kindergarten)+ 
JavaScript 
Tool 

[0]

A collection of animated JavaScript applets for explaining the concept of place value and base 10 counting. The collection includes,
Grouping by Tens
Grouping Tens and Hundreds
Toke...
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Place Your Order

Order of operations (Math 4)+ 
Calculator 
Activity 

[2]

Calculator activity involving order of operations.
More: lessons, discussions, ratings, reviews,...

Planar Graphs

Graphs and Trees (Discrete Math) 
Flash 
Tool 

[0]

This set of problems is similar to the ones on pages 1 and 2, but this time, instead of looking for a particular structure within the graph, the question is whether or not the vertices (nodes) of the ...
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Planarity

Paths and Circuits (Discrete Math) 
Flash 
Tool 

[1]

In this Flash activity, arrange the vertices such that no edges overlap. Solve graphs of increasing difficulty, accumulating points based on the number of moves and the time it took to make them.
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Plane Figure Fractals Dialogue

Fractals (Math 6)+ 
Java Applet 
Support Material 

[0]

Compares fractals with one and two dimensional generators.
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Plane Vectors

Analysis of vector curves (Calculus) 
Java Applet 
Tool 

[0]

Experiment with sums, differences, and scalar products of vectors.
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Plate Tectonics and the Rock C...

Numerical soln. of diff. eqns. (Calculus) 
JavaScript 
Tool 

[0]

Change the parameters of this model of the earth's rock cycle to find out how the crust formed, what is currently happening to it, and what could happen in the future.
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Platonic Solids

Geometry in space (PreKindergarten)+ 
Java Applet 
Tool 

[1]

This virtual manipulative allows you to display, rotate, and resize Platonic solids. It also allows you to select vertices, edges, and faces, and show that the number of vertices minus the number of e...
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Platonic Solids  Duals

Geometry in space (PreKindergarten)+ 
Java Applet 
Tool 

[0]

With this applet it can be seen that a platonic dual is two platonic solids, one placed inside the other. The vertices of the inner platonic solid are the center points of each of the surfaces of the ...
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Platonic Solids  Slicing

Geometry in space (Math 4)+ 
Java Applet 
Tool 

[2]

This virtual manipulative displays a platonic solid on the left and the outline of a plane that slices through it on the right.
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Play with Bees

Probability (Math 6)+ 
JavaScript 
Tool 

[1]

This is the Bees microworld. What happens when you send hundreds of bees flying in different directions? Can you predict what will happen?
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Play with Bees Information for...

Probability (Math 6)+ 
Computer 
Lesson Plan 

[0]

Suggestions of question prompts to provide students as they use Play with Bees, one of the Alive Maths microworlds.
More: lessons, discussions, ratings, reviews,...

Play with Frogs

Number sense (Math 6)+ 
JavaScript 
Tool 

[1]

This is the Frogs microworld. Can you exchange sides with the other team of Frogs by jumping or sliding? Frogs provides a great way of getting acquainted with ideas in Algebra, Problem Solving, Reason...
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Play with Frogs Information fo...

Number sense (Math 6)+ 
Computer 
Lesson Plan 

[1]

Suggestions of question prompts to provide students as they use Play with Frogs, one of the Alive Maths microworlds.
More: lessons, discussions, ratings, reviews,...

Play with Spirals

Number theory (Math 7)+ 
JavaScript 
Tool 

[0]

This is the Spirals microworld. You will be making beautiful shapes and designs using the simple mathematical idea of iteration.
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Play with Spirals Information ...

Number theory (Math 7)+ 
Computer 
Lesson Plan 

[0]

Suggestions of question prompts to provide students as they use Play with Spirals, one of the Alive Maths microworlds.
More: lessons, discussions, ratings, reviews,...

Playground Physics

Measurement (Math 6)+ 
iPad 
Tool 
$ 
[0]

Discover and explore the physics in your own movements. Record a video of you or your friends, tap points along the way to trace a path of motion, and discover the motion, forces, and energy involved....
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Playing Fraction Darts

Fractions (Math 4)+ 
Java Applet 
Story 

[0]

A story from a staff development session: Ihor describes his session with two veteran 6th grade teachers playing a few rounds of Fraction Darts.
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Playing Fraction Track

Equivalent fractions (Math 3)+ 
Java Applet 
Tool 

[5]

Adapted from the work of Akers, Tierney, Evans, and Murray [1998], this game encourages students to compare relative sizes of fractions and get used to adding fractions with different denominators. Re...
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