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Topic (Course) 
Technology 
Type 
$? 
Rating 

The Crazy Counting Machine

Number sense (Math 6) 
Flash 
Tool 

[0]

Can you reach the target number in as few clicks as possible? Makes use of doubling and halving strategies in working towards a target number.
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El Proyecto de un Millón de Ce...

Number sense (Math 6) 
Spreadsheet 
Technology PoW 

[0]

Los estudiantes utilizan una hoja de cálculo para mostrar cuándo habrán recolectado su millón de centavos.
versión en inglés
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Miranda and the Rookie

Number sense (Math 6) 
Spreadsheet 
Technology PoW 

[6]

Use a spreadsheet to compare salaries of the star basketball player and the rookie.
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Miranda y el Principiante

Number sense (Math 6) 
Spreadsheet 
Technology PoW 

[0]

Usa una base de datos para comparar los sueldos del basquetbolista famoso con el del principiante.
versión en inglés
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Modular Arithmetic Lesson

Number sense (Math 7) 
Java Applet 
Activity 

[1]

Clock (or modular) arithmetic is arithmetic you do on a clock instead of a number line. Investigate arithmetic using a 12hour, 10hour, and 2hour clock.
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SMILE Mathematics Activity

Number sense (Math 7) 
TI73 Explorer 
Activity 

[0]

Stepbystep directions on how to use the the five SMILE Mathematics computer games: MiniMax, Box, Matching Fractions, Angle, and Rhino.
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Clock Arithmetic and Cryptogra...

Number sense (Math 7) 
Java Applet 
Lesson Plan 

[2]

The following discussions and activities are designed to lead the students to practice their basic arithmetic skills by learning about clock arithmetic (aka modular arithmetic) and cryptography.
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Colour Calculator Information ...

Number sense (Math 7) 
Computer 
Lesson Plan 

[1]

Suggestions of question prompts to provide students as they use Colour Calculator, one of the Alive Maths microworlds.
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Play with Frogs Information fo...

Number sense (Math 7) 
Computer 
Lesson Plan 

[1]

Suggestions of question prompts to provide students as they use Play with Frogs, one of the Alive Maths microworlds.
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Classroom narrative: Frogs

Number sense (Math 7) 
Computer 
Story 

[0]

A story from the middle school classroom: the mathematical ideas and questions encountered by one group of students worked with the Frogs microworld.
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Clocks and Modular Arithmetic ...

Number sense (Math 7) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor on the relationship between clocks and modular arithmetic.
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Cryptography and Ciphers Dialo...

Number sense (Math 7) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor on the relationship between cryptography and ciphers.
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Number Worlds: Visual and expe...

Number sense (Math 7) 
Computer 
Support Material 

[1]

Recent research demonstrates that many issues related to the structure of natural numbers and the relationship among numbers are not well grasped. In this article, the computerbased learning environm...
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What are Remainders Dialogue

Number sense (Math 7) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about remainders.
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Aritmética del reloj

Number sense (Math 7) 
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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Caesar Cipher

Number sense (Math 7) 
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 7) 
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 7) 
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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Clock Arithmetic

Number sense (Math 7) 
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 7) 
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 7) 
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 7) 
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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Colour Calculator

Number sense (Math 7) 
JavaScript 
Tool 

[0]

Students are able to explore fraction and decimal number patterns with this colour calculator.
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El cifrado de César

Number sense (Math 7) 
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 7) 
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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