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Topic (Course) 
Technology 
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Number Track

Number sense (Math 3) 
Flash 
Tool 

[0]

Place the number tiles into the correct order on the track. There are three levels of difficulty, with an option to make your own number track arrangements.
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Scrambler

Number sense (Math 3) 
Flash 
Tool 

[0]

The goal of this sliding tile scrambler puzzle is to replace the tiles in the order in which they originally appeared, by rotating the rows and columns.
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The 4 Digit Sequencer

Number sense (Math 3) 
Flash 
Tool 

[0]

Given a starting number and step size, this sequencer challenges students to deduce the terms of a sequence by viewing subsets of the pattern. The sequencer allows for the input of fourdigit and nega...
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Wash Line

Number sense (Math 3) 
Flash 
Tool 

[0]

Hang the numbered shirts on the line in order. Order a mixed set of numbers with up to three decimal places.
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Writing Big Numbers

Place value (Math 3) 
Flash 
Tool 

[0]

The aim of this module is to review large numbers, practice writing numbers as words, and as a reminder of place value. The module includes factsheets, worksheets, an activity, and a game.
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Abacus v1.4

Place value (Math 3) 
Java Applet 
Tool 

[1]

The Abacus Java Applet/Application is an implementation of an Abacus counting machine. The machine displays a total for the number represented by the machine's current state in addition to each digits...
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Aritmética del reloj

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Los estudiantes aprenden operaciones de aritmética modular trabajando con diferentes tipos de relojes. Parámetros: Número de horas en el reloj.
versión en inglés
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Base 10 Blocks

Place value (Math 3) 
Java Applet 
Tool 

[0]

This program consists of a panel, as shown on the right, where one can click on any of three different block sizes that represent 1 unit, 10 units, and 100 units and drag them into the working pane...
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Base Blocks

Place value (Math 3) 
Java Applet 
Tool 

[10]

Illustrate addition and subtraction in a variety of bases.
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Base Blocks Decimals

Place value (Math 3) 
Java Applet 
Tool 

[2]

Add and subtract decimal values using base blocks.
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Caesar Cipher

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Students practice simple arithmetic skills by encoding and decoding messages using an affine cipher.
Spanish version also available.
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Caesar Cipher II

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Students practice simple arithmetic skills by encoding and decoding messages to determine the form for an affine cipher.
Spanish version also available.
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Caesar Cipher III

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Students practice their reasoning and arithmetic skills by decoding messages to determine the form for an affine cipher.
Spanish version also available.
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Chip Abacus

Place value (Math 3) 
Java Applet 
Tool 

[0]

Learn about carrying and digits using chips.
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Clock Arithmetic

Number sense (Math 3) 
Java Applet 
Tool 

[1]

Students learn about modular arithmetic operations through working with various types of clocks. Parameters: Number of hours on the clock.
Spanish version also available.
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Clock Arithmetic on a 10hour ...

Number sense (Math 3) 
Java Applet 
Tool 

[0]

On a 10hour clock, there are only 10 numbers in the whole number system. However, every number has lots of different names. For example, the number before 1 is 0, so 10 = 0 on a 10hour clock.
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Clock Arithmetic on a 12hour ...

Number sense (Math 3) 
Java Applet 
Tool 

[0]

On a 12hour clock, there are only 12 numbers in the whole number system. However, every number has lots of different names. For example, the number before 1 is 0, so 12 = 0 on a 12hour clock.
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Clock Arithmetic on a 2hour c...

Number sense (Math 3) 
Java Applet 
Tool 

[0]

On a 2hour clock, there are only 2 numbers in the whole number system. However, every number has lots of different names. For example, the number before 1 is 0, so 2 = 0 on a 2hour clock.
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El cifrado de César

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Los estudiantes practican aritmética sencilla codificando y decodificando mensajes mediante un cifrado afín.
versión en inglés
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El cifrado de César II

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Los estudiantes practican aritmética sencilla codificando y decodificando mensajes para determinar la forma de un cifrado afín.
versión en inglés
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El cifrado de César III

Number sense (Math 3) 
Java Applet 
Tool 

[0]

Los estudiantes practican sus habilidades matemáticas y de razonamiento mediante la decodificación de mensajes para determinar la forma de un cifrado afín.
versión en inglés
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Soroban in Various Number Syst...

Place value (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java gadget simulating sorobanthe Japanese abacus. Options inlude selecting the number system base and the number of wires. The applet displays the number matching the configur...
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Suan Pan in Various Number Sys...

Place value (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java gadget simulating suan panthe Chinese abacus. Options include selecting the number system base and the number of wires. The applet displays the number matching the configu...
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The Abacus in Various Number S...

Place value (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java applet showing one or two Russian abacuses with options to select the base of the number system and the number of wires. The applet displays the number matching the current config...
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Birmingham Grid for Numbers (P...

Place value (Math 3) 
JavaScript 
Tool 

[0]

Use this tool to reinforce students' understanding of place value. Students choose values from groups of units, tens, and hundreds, or decimal values, to reach the target number. Versions of this acti...
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