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Technology 
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9 digits

Addition (Math 3)+ 
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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Adding Unit Fractions

Fractions (Math 3) 
Android 
Tool 

[0]

Get the proper fractions listed at the top of the application, adding two or three unit fractions. Each proposed proper fraction has a variable number of solutions and different levels of difficulty. ...
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Dyscalculator  Android

General (Math 3) 
Android 
Tool 

[0]

This calculator app made its first public demonstration last month at the 12th International Congress on Mathematical Education (ICME). Designed to help dyscalculics, Dyscalculator shows quantities in...
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Fractions Balance

Fractions (Math 3)+ 
Android 
Tool 

[0]

Usually in elementary mathematics, pan scale balances are used only to display at the time of equilibrium in order to verify that two quantities are equivalent.
In this case, apart from that use, it ...
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Fractions Using Visual Models ...

Fractions (Math 3) 
Android 
Tool 
$ 
[0]

This app uses visual models to help children learn fractions. It covers adding, subtracting, multiplying and dividing fractions. This app include 11 topics are as follows:
 Adding Fractions<...
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Game about Squares [Android]

General (Math 3) 
Android 
Tool 

[0]

A puzzle game with 20 levels. Tap to move the square. Move all of the squares over their corresponding dots to win the game.
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KENKEN Classic II (for Android...

Operations with numbers (Math 3) 
Android 
Tool 

[0]

KenKen is a gridbased logic puzzle and math game. For a 3x3 puzzle, use the numbers 13; for a 4x4 puzzle, fill in with numbers 14; for a 5x5 puzzle, use the numbers 15, and so on. Do not repeat a ...
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Math Cruncher

Addition (Math 3)+ 
Android 
Tool 

[0]

Features of Math Cruncher include,
* solving simple equations before they hit the ground
* solving the bonus equations to help yourself survive in the game and reach the highest score.
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Math Garden

Addition (Math 3)+ 
Android 
Tool 

[0]

In this app, the natural numbers are represented as plants:
If two unseeded seeds overlap, they add up.
If two seeds are planted, the plants multiply.
The plants are structured in branc...
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Ninedigits workshop

Operations with numbers (Math 3)+ 
Android 
Tool 
$ 
[0]

Puzzle with 9! possibilities and 336 solutions. The problem posed in Ninedigits workshops 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...
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Old Egyptian Fractions

Fractions (Math 3) 
Android 
Tool 
$ 
[0]

This is the android version of the Mathcats Old Egyptian Fractions:
Old Egyptian Math Cats knew fractions like 1/2 or 1/4 (one piece of a pie).
But to make fractions like 3/4, they had to add pi...
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Old Egyptian Fractions for And...

Fractions (Math 3) 
Android 
Tool 

[0]

This is the Android version of the Mathcats Old Egyptian Fractions:
Old Egyptian Math Cats knew fractions like 1/2 or 1/4 (one piece of a pie).
But to make fractions like 3/4, they had to add pi...
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Proper Fractions

Equivalent fractions (Math 3)+ 
Android 
Tool 

[0]

Use this tool to explore equivalent fractions, the Ahmes 2/n table of the RMP, and/or the table shown in the Akhmim Papyrus.
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Reading Fractions

Fractions (Math 3)+ 
Android 
Tool 

[0]

This app lets you view fractions represented in the form of overlapping circles and bars. The two graphs are interactive. They can be changed by dragging on the screen.
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Time Calculator

Measurement (Math 3)+ 
Android 
Tool 

[0]

With the Time Calculator you can calculate the difference between two dates. You can set a date in the past and subtract it from the present time and the result will be the elapsed time. Also, you can...
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Touch Fraction

Fractions (Math 3) 
Android 
Tool 

[0]

Touch Fraction lets you visualize positive and negative
fractions  and zoom into equivalent fractions using the
rational representation diagram.
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Touch Integers ℤ (+  × ...

Operations with numbers (Math 3)+ 
Android 
Tool 

[0]

The fundamental theorem of arithmetic, also known as the unique factorization theorem or the uniqueprimefactorization theorem, states that every integer greater than 1 either is prime itself or is t...
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Touch Natural Numbers

Addition (Math 3)+ 
Android 
Tool 

[0]

With this app you can:

Touch decimals Place value ±

Addition (Math 3)+ 
Android 
Tool 

[1]

This touch decimal app has a double interactive place value chart, with up to 40 decimal columns. It is a mathematical analogy with positive and negative tokens. It is designed to:

Whole Calculator

Addition (Math 3)+ 
Android 
Tool 

[0]

This app functions as a calculator for the set of the natural numbers (N). Type the numerical operations and view the both inputs and the result in words.
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Area (elementary)

Area (Math 3) 
Calculator 
Lesson Plan 

[1]

Have your students learn about area and the units used to measure area using a variety of materials including computer applets.
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Estimation (elementary)

Estimation (Math 3) 
Calculator 
Lesson Plan 

[1]

Make learning how to estimate fun by using Shodor's computer applets. This lesson combines the use of four different computer estimation applets with several classroom estimation activities.
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Fraction King Lesson

Comparing & ordering (Math 3) 
Calculator 
Lesson Plan 

[0]

Students and teacher play a game called "Fraction King" to seed the idea of taking fractions of whole numbers then use manipulatives and several computer applets to concretize the idea.
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Introduction to Bar Graphs Les...

Bar graphs (Math 3) 
Calculator 
Lesson Plan 

[0]

This lesson allows students to learn what bar graphs are used for, how to interpret the data presented, and how to organize their own data using bar graphs.
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Perimeter Lesson (elementary)

Perimeter (Math 3) 
Calculator 
Lesson Plan 

[1]

Students will learn about perimeter and the units used to measure perimeter using a variety of materials including their hands, feet, rulers, and computer applets.
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