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Topic (Course) 
Technology 
Type 
$? 
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Base Blocks Subtraction

Subtraction (Math 2) 
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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Episode 8: Subtraction

Subtraction (Math 2) 
Flash 
Lesson Plan 

[1]

Activities to introduce the concept of subtraction as the inverse of addition.
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TeachingTools.com

Subtraction (Math 2) 
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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Math Tablet

Subtraction (Math 2) 
Android 
Tool 
$ 
[1]

This is a virtual manipulative to support developing number sense and arithmetic concepts. Two subquantities together result in a new total quantity. This is called addition. And if you take away a s...
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Base Blocks

Subtraction (Math 2) 
Java Applet 
Tool 

[10]

Illustrate addition and subtraction in a variety of bases.
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Math Doodles: Number Jump

Subtraction (Math 2) 
Flash 
Tool 

[4]

Smash the flies by maneuvering the ball along the number lines.
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Number Triangle Level 1

Subtraction (Math 2) 
Flash 
Tool 

[2]

First level in a set of three Number Triangle activities. They are an electronic version of flash cards emphasizing fact families. An addition/subtraction Number Triangle has two addends and a sum; a ...
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Problem Solving with Addition ...

Subtraction (Math 2) 
Flash 
Tool 

[1]

This module can be used as a starting point for practising problem solving using addition and subtraction word problems. It includes factsheets, worksheets, a quiz at three levels, and two practice ga...
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Number Line Arithmetic

Subtraction (Math 2) 
Java Applet 
Tool 

[1]

Illustrates arithmetic operations using a number line.
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Number Line Bars

Subtraction (Math 2) 
Java Applet 
Tool 

[1]

Use bars to show addition and subtraction on a numberline.
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Touch decimals Place value ±

Subtraction (Math 2) 
Android 
Tool 

[1]

This touch decimal app has a double interactive place value chart, with up to 40 decimal columns. It is a mathematical analogy with positive and negative tokens. It is designed to:

Grouping and Grazing

Subtraction (Math 2) 
Computer 
Tool 

[1]

Help the alien spaceship move cows into corrals by counting, adding, and subtracting. This activity helps children learn grouping, tally marks, and place value. As they master counting, they can move ...
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Diffy

Subtraction (Math 2) 
Java Applet 
Tool 

[1]

Solve an interesting puzzle involving the differences of given numbers.
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Arithmetic Quiz

Subtraction (Math 2) 
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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2nd grade math worksheets

Subtraction (Math 2) 
Computer 
Activity 

[0]

This site contains 2nd grade math worksheets and lessons free of charge. Most of the 2nd grade math topics are separated in the different sections of the site.
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Balancing

Subtraction (Math 2) 
Computer 
Lesson Plan 

[0]

This lesson encourages students to explore another model of subtraction, the balance. This model leads naturally to recording with equations. Students use actual and virtual pan balances in their expl...
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Math Cruncher

Subtraction (Math 2) 
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.
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Whole Calculator

Subtraction (Math 2) 
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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Number Sequences: II

Subtraction (Math 2) 
Computer 
Tool 
$ 
[0]

Alterable worksheet in which students fill in the missing numbers in sequences, counting backwards and forwards in 6's, 7's, 8's, 9's, 10's, and 11's. Fee required to print; see this page.
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How Many Under the Shell?

Subtraction (Math 2) 
Computer 
Tool 

[0]

After Okta hides some bubbles under a shell, he then either adds more bubbles or takes some away. Students determine how many bubbles are left under the shell.
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Count Us In: Game 8

Subtraction (Math 2) 
Flash 
Tool 

[0]

Count the number of pins that will still be standing. Type in that number. Click on the bowling ball or hit enter. If the number is correct the ball will bowl. Keep going until you have reached zero. ...
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Written Addition and Subtracti...

Subtraction (Math 2) 
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: Whole Numbers Subtrac...

Subtraction (Math 2) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 9.
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Subtraction Table

Subtraction (Math 2) 
Flash 
Tool 

[0]

Subtract the column heading from the number in each row; drag the answers to fill in the table. Click on any square in the table to see the arithmetic expression; click again to see a visual represent...
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Subtraction Workshop

Subtraction (Math 2) 
Flash 
Tool 

[0]

Use this tool to practice subtraction in columns using borrowing when necessary. Students must work column by column, checking results as they go.
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