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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

The Abacus in Various Number S...

Subtraction (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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Thinking Blocks: Addition and ...

Subtraction (Math 3) 
Flash 
Tool 

[3]

Learn how to solve word problems involving addition and subtraction. Organize story components into visual models that are easy to understand.

Touch Natural Numbers

Subtraction (Math 3) 
Android 
Tool 

[0]

With this app you can:

Whole Calculator

Subtraction (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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Written Addition and Subtracti...

Subtraction (Math 3) 
Flash 
Tool 

[0]

This module can be used as a starting point for learning different methods of written addition and subtraction. Factsheets, worksheets, games, and a quiz review and check understanding. A "For Tutors"...
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XP Math: Need for Speed: Subtr...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students change lanes to avoid other cars in the race by answering subtraction problems.
More: lessons, discussions, ratings, reviews,...

XP Math: Whole Numbers Subtrac...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 9.
More: lessons, discussions, ratings, reviews,...

XP Math: Whole Numbers Subtrac...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 99, in a vertical arrangement.
More: lessons, discussions, ratings, reviews,...

Number Sequences: III

Subtraction (Math 4) 
Computer 
Activity 
$ 
[1]

Alterable worksheet in which students fill in the missing numbers in sequences, counting forwards and backwards in 6's, 7's, 8's, 9's, 10's, 11's, 15's, 19's, 21's, and 25's. Fee required to print; s...
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Subtraction and Negative Numbe...

Subtraction (Math 4) 
Flash 
Support Material 

[0]

This interactive multimedia tutorial explores visualizations of subtraction and negative numbers.
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TeachingTools.com

Subtraction (Math 4) 
Computer 
Support Material 
$ 
[1]

TeachingTools.com contains a series of online "tools" enabling you to quickly generate an almost infinite number of math (and other subjects) worksheets and their answer keys.
You can then choose to...
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Arithmetic Quiz

Subtraction (Math 4) 
Java Applet 
Tool 

[1]

This activity allows the user to practice addition, subtraction, multiplication, and division, with variable difficulty, type of problem, and time allowed. Scoring is also an option.
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Base 10 Subtraction Mathlets

Subtraction (Math 4) 
JavaScript 
Tool 

[0]

These mathlets illustrate the standard base 10 subtraction algorithm. They provide randomly generated subtraction problems with up to 4 decimal places and allow the student to step through the solutio...
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Base Blocks

Subtraction (Math 4) 
Java Applet 
Tool 

[10]

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

Subtraction (Math 4) 
Java Applet 
Tool 

[6]

Base blocks consist of individual units, longs (containing 10 units), flats (containing 10 longs), and blocks (containing 10 flats) and can be used to show place value for numbers and to increase unde...
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Color Chips  Subtraction

Subtraction (Math 4) 
Java Applet 
Tool 

[0]

This virtual manipulative uses plusminus chips to demonstrate that subtracting values is the same as adding negative values.
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Difference between Two Times

Subtraction (Math 4) 
Flash 
Tool 

[0]

This tool gives students an opportunity to practice finding
the difference between two times, such as while reading a
bus timetable.
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Diffy

Subtraction (Math 4) 
Java Applet 
Tool 

[1]

Solve an interesting puzzle involving the differences of given numbers.
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Everyday Mathematics® Subtract...

Subtraction (Math 4) 
iPad 
Tool 
$ 
[0]

The game offers a way to practice and reinforce 2digit subtraction computation and number comparisons. Players take turns dealing two 2digit number cards to each player, finding their differences, a...
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Flash Cards

Subtraction (Math 4) 
Java Applet 
Tool 

[1]

This applet produces random math problems and tracks the number of correct answers that are given.
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HandsOn Math: Base Ten Blocks

Subtraction (Math 4) 
iPad 
Tool 
$ 
[0]

HandsOn Math: Base Ten Blocks is a virtual math manipulative playground where students explore and discover place value concepts and also learn addition and subtraction with regrouping. Our Base T...
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HandsOn Math: Bean Sticks

Subtraction (Math 4) 
iPad 
Tool 
$ 
[0]

HandsOn Math: Bean Sticks simulates the use of a popular math manipulative used to teach place value and addition and subtraction with regrouping.
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HandsOn Math: Graph Cubes

Subtraction (Math 4) 
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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Making Change

Subtraction (Math 4) 
Flash 
Tool 

[1]

Students are given the sale price and the amount of money paid by a customer. They must calculate the amount of change due, then click and drag the fewest number of coins and bills to make change.
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Math Cruncher

Subtraction (Math 4) 
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.
More: lessons, discussions, ratings, reviews,...

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