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Topic (Course) 
Technology 
Type 
$? 
Rating 

5 Dice: Order of Operations Ga...

Addition (Math 5)+ 
iPad 
Tool 

[1]

5 Dice: Order of Operations Game is a math app intended for upper elementary and middle school students that helps students enjoy practicing their order of operations. The game encourages students to ...
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5Tile Jigsaw Puzzle

Patterns (Math 1)+ 
Flash 
Tool 

[0]

The goal of this game is to reassemble the tiles in a square grid, in repeated numerical sequence.
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9 digits

Addition (Math 2)+ 
Android 
Tool 

[0]

This is a puzzle with 9! possibilities and 336 solutions. The problem posed in 9 digits consists in the organization of the numbers 1 to 9 in a square of 3 * 3 to make the sum of the numbers of the fi...
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A "Possibly New Theorem"

Triangles (Geometry)+ 
Sketchpad 
Activity 

[0]

This guided exploration, using Geometer's Sketchpad, leads students to notice what John Conway saw in this triangle construction.
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A Better Fire!

Equivalent fractions (Math 5)+ 
Java Applet 
Tool 

[3]

See the chaos theory played out in forest fire simulations.
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A Brief Intro to Fathom

General (Probability & Statistics) 
Fathom 
Support Material 

[0]

A brief introduction to Fathom Ross Isenegger used at an inservice for Grade 12 Data Management Teachers.
More: lessons, discussions, ratings, reviews,...

A Closer Look at Earth, from S...

Patterns and sequences (Math 4)+ 
Flash 
Tool 

[1]

There are two activities for students to try: the Seasons Activity and the Scavenger Hunt. In the Seasons activity users order strips of the earth by month. Hints and scaffolds are built into the to...
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A Comparison of Graphical Solu...

Factoring (Algebra)+ 
Flash 
Support Material 

[0]

This minilesson explains how to determine the roots of an equation by the graphical method and by the factorization method.
More: lessons, discussions, ratings, reviews,...

A Continuation of Minimum Peri...

Bisectors (Geometry)+ 
Sketchpad 
Activity 

[0]

A further guided exploration of triangles inscribed within triangles, using Geometer's Sketchpad.
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A Derivative Plotter

Graph of f vs. f' (Calculus) 
Flash 
Tool 

[1]

The applet illustrates the geometric interpretation of the derivative.
The user can enter a formula and the applet will graph an arbitrary function. The user can sketch the derivative of the fun...
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A Dynamic Proof

Pythagorean theorem (Math 7)+ 
Sketchpad 
Activity 

[0]

Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the activity itself is to a zip file tha...
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A Dynamic Proof

Pythagorean theorem (Math 7)+ 
Sketchpad 
Tool 

[0]

Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the tool itself is to a zip file that co...
More: lessons, discussions, ratings, reviews,...

A Fractals Unit for Elementary...

Fractals (Math 4)+ 
Computer 
Activity 

[1]

A teaching unit on fractals for students and teachers in grades 4 to 8, that adults are free to enjoy, designed to introduce students to fractals and the underlying mathematics. It focuses on fractals...
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A Geometric Investigation of (...

Squaring binomials (Math 7)+ 
Java Applet 
Tool 

[0]

Explores a geometric explanation of why (A + B)^2 = A^2 + 2AB + B^2.
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A Geometric Proof of the Pytha...

Pythagorean theorem (Math 6)+ 
PowerPoint 
Tool 

[0]

This PowerPoint presentation uses animation and color to show a stepbystep geometric proof of the Pythagorean Theorem. It is assumed that students are already familiar with the theorem and its mean...
More: lessons, discussions, ratings, reviews,...

A Graphical Analysis of M&M’s ...

Bar graphs (Math 5)+ 
Excel 
Lesson Plan 

[0]

Students will create bar graphs and pie graphs, use these graphs and the statistical calculations done in a previous activity to compare individual data with class data and discuss the effect of sampl...
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A Hundred and Ten Percent

Percentages (Math 5)+ 
Java Applet 
Tool 

[0]

The user is given a number line and a percentage tool to use to think about discounts. Questions include finding the discount, finding the price before the discount or finding the discounted price.
More: lessons, discussions, ratings, reviews,...

A Japanese Temple Problem

Circles (Geometry)+ 
Sketchpad 
Activity 

[0]

In this guided Geometer's Sketchpad exploration, students use their knowledge of tangent circles to discover a relationship between the radii of three circles which are mutually tangent to each other ...
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A Lulu of a Function

Use of Variables (Algebra)+ 
Java Applet 
Activity 

[1]

This activity guides exploration of functional aspects of the Lulu microworld (from Nathalie Sinclair's AliveMaths site, applet programmed by Stéfan Sinclair). Functions called for are NOT y = f(x) fu...
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A Maths Dictionary for Kids

General (Math 4)+ 
Java Applet 
Tool 

[3]

An animated, interactive dictionary for students which explains over 400 common mathematical terms in simple language. Includes definitions, animated examples, interactive activities, practice and lot...
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A Million Fish...More or Less,...

Patterns and sequences (Math 2)+ 
TI10 
Lesson Plan 

[0]

Using this activity students explore patterns; use the constant function on the calculator; guess the constant function programmed into the calculator.
More: lessons, discussions, ratings, reviews,...

A Million Penny Project

Large numbers (Math 5)+ 
Spreadsheet 
Technology PoW 

[2]

Students use a spreadsheet to show when they will have collected their million pennies.
NOTE: A free login is required. Sign up using the link on the login page, or use your existing KenK...
More: lessons, discussions, ratings, reviews,...

A Min/Max Problem

Triangles (Geometry) 
Sketchpad 
Activity 

[1]

A guided exploration, using Geometer's Sketchpad, of the area of a triangle formed between two fixed rays, using a third ray with a movable end point.
More: lessons, discussions, ratings, reviews,...

A Minimum Perimeter Inscribed ...

Bisectors (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration about triangle inscribed within triangles, and the conditions under which their perimeter is at a minimum, using Geometer's Sketchpad.
More: lessons, discussions, ratings, reviews,...

A New Discovery by Harold Sten...

Triangles (Geometry) 
Sketchpad 
Activity 

[0]

In this guided exploration, students use Geometer's Sketchpad to develop their intuition about triangles and cevians in general, and a proof by Harold Stengel in particular.
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