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Tool: Number_Pyramid
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Go to: http://itunes.apple.com/us/app/number-pyramid/id447998849?mt=12 (opens a new window)
Description: Number pyramids are often used to practice addition and subtraction in German primary schools. Each brick's number is the sum of the two numbers under it. Place the missing numbers in the empty bricks. By pressing the "Check"-button the application tells you if the entered numbers are correct. Fields with correct entries are colored green. Fields with incorrect entries are colored red.
Technology Type: iPad 
Guide: User's Guide (opens a new window)
Author: Christian Mézes
Language: English 
Cost: Requires payment for use

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Courses: Kindergarten Addition, Subtraction
Math 1 Addition, Subtraction
Math 2 Addition, Subtraction
Math 3 Addition, Subtraction
Math 4 Addition, Subtraction