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Topic (Course) 
Technology 
Type 
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Rating 

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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Gold Coin Game

Number sense (Math 3) 
Flash 
Tool 

[0]

Divide the coins evenly between all the Leprechaun pots.
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Guess My Number 1100

Number sense (Math 3) 
Flash 
Tool 

[0]

A guessing game to find out what number the computer is thinking of. The activity can be used to develop number recognition and sequencing up to 100.
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HandsOn Math: Graph Cubes

Number sense (Math 3) 
iPad 
Tool 
$ 
[0]

Use simple gestures to drag and drop blocks, placing them in columns to build bar graphs. The author and designer coined the term "artificially intelligent math manipulative" to describe how using the...
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Infinity

Number sense (Math 3) 
Flash 
Tool 

[0]

In this exercise, you see a number "on the path" to infinity. If you see a larger number, that is, closer to infinity, in one of the balloons surrounding infinity, click that number, and it will take ...
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Manny's Rumba

Number sense (Math 3) 
Shockwave 
Tool 

[1]

Given a target number in the form of an equation "Make x = (number) blocks," move the base ten blocks (ones or tens) to the area showing the target number.
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Number Grid Level 1

Number sense (Math 3) 
Flash 
Tool 

[1]

First level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a change...
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Number Grid Level 2

Number sense (Math 3) 
Flash 
Tool 

[3]

Second level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a chang...
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Number Grid Level 3

Number sense (Math 3) 
Flash 
Tool 

[1]

Third level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a change...
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Number Grid Level 4

Number sense (Math 3) 
Flash 
Tool 

[1]

Fourth level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a chang...
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Number Grid Level 5

Number sense (Math 3) 
Flash 
Tool 

[4]

Fifth level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a change...
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Number Puzzle

Number sense (Math 3) 
Flash 
Tool 

[0]

Change the numbers in the blocks at the bottom of the pyramids and explore the effect on the number in the top block. What's the highest total you can get using the numbers 1 to 5 only once?
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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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Place Value Chart

Number sense (Math 3) 
iPad 
Tool 
$ 
[2]

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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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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Third Grade Splash Math [HD Fu...

Number sense (Math 3) 
iPad 
Tool 
$ 
[1]

Splash Math HD is the full version of this app with 13 chapters covering over 185 math skills and a supply of problems appropriate for third grade students.
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Third Grade Splash Math [Lite]

Number sense (Math 3) 
iPad 
Tool 

[1]

The full version of Splash Math has 13 chapters covering over
185 math skills and a supply of problems appropriate for
third grade students. This "lite" version provides free
access to two of th...
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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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Modular Arithmetic Lesson

Number sense (Math 4) 
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 4) 
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 4) 
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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Clocks and Modular Arithmetic ...

Number sense (Math 4) 
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 4) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor on the relationship between cryptography and ciphers.
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What are Remainders Dialogue

Number sense (Math 4) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about remainders.
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