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Topic (Course) 
Technology 
Type 
$? 
Rating 

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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Working with Place Value

Place value (Math 3) 
Java Applet 
Activity 

[2]

Guided, interactive activities help students understand the concept of place value, using the number line, base blocks, and place value charts.
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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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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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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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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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Base Blocks

Place value (Math 3) 
Java Applet 
Tool 

[10]

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

Place value (Math 3) 
Java Applet 
Tool 

[2]

Add and subtract decimal values using base blocks.
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Modular Arithmetic Lesson

Number sense (Math 3) 
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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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...
More: lessons, discussions, ratings, reviews,...

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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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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Clock Arithmetic and Cryptogra...

Number sense (Math 3) 
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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Working with Place Value

Place value (Math 3) 
Java Applet 
Lesson Plan 

[1]

Guided, interactive activities help students understand the concept of place value, using the number line, base blocks, and place value charts. Teacher information includes a list of targeted objectiv...
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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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Cryptarithms

Place value (Math 3) 
JavaScript 
Tool 

[1]

Cryptarithms are brain teasers obtained when digits in numerical calculations have been replaced by letters. Customarily, distinct letters stand for different digits. Another term, Alphametics, denote...
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Reach the Target

Place value (Math 3) 
Sketchpad 
Tool 

[1]

Students use their knowledge of place value to identify the locations of unlabeled tick marks along number lines. These locations are exact to units, tenths, and all the way up to hundred thousandths.
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Place Value

Place value (Math 3) 
JavaScript 
Tool 

[1]

The user learns about place value. After viewing examples, users can interactively practice determining the place value of a specific digit in a given number.
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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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Bead Numbers

Place value (Math 3) 
Flash 
Activity 

[0]

This activity uses an interactive abacus to help develop and reinforce pupils' understanding of place value. The abacus has three pegs onto which beads are dropped, representing units, tens, and hundr...
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Clocks and Modular Arithmetic ...

Number sense (Math 3) 
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 3) 
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 3) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about remainders.
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Whole Calculator

Place value (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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