08 November 2005 10:30
![](http://blogmarks.net/screenshots/2007/01/20/1112bf26a09d76028a965ebf38939c7a.png)
National Library of Virtual Manipulatives
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Library of Java Applets aligned to math strands and standards. Many items similar to Investigations software.
Click Grade level for specific strand.
24 October 2005 14:30
![](http://blogmarks.net/screenshots/2007/01/20/75e27823502458073d6224a20d35b955.png)
NCTM : The Fraction Game
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This applet allows students to individually practice working with relationships among fractions and ways of combining fractions. Goal: Get all the markers to the right side of the game board. Sum of markers is less than or = to target fraction Use as few cards as possible.
22 October 2005 11:00
![](http://blogmarks.net/screenshots/2007/01/20/c091cc0c3dc545305d274ee5d6a4d07f.png)
NLVM:Diffy
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Subtraction problems to 20. Fill in circles in middle with differences, Look for patterns. Teacher instruction initially. Click Instructions.
22 October 2005 10:45
![](http://blogmarks.net/screenshots/2007/01/20/3019f8313a25fffce59008471330629d.png)
NLVM: Interactive Number Grid
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This virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples. Great for whole class.Click Instructions.
![](http://blogmarks.net/screenshots/2007/01/20/d11b95d201174ca6c88f569ca1d28b8c.png)
NLVM: Color Patterns
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Using this virtual manipulative you may:Describe a color pattern. Extend the pattern, Check your solution
Generate a new pattern. Click Instructions.
![](http://blogmarks.net/screenshots/2007/01/20/bd771f38065d94717f8a4017af4d34c7.png)
NLVM Attribute Trains
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Practice completing patterns of shapes, numbers, or colors. Complete the pattern by dragging blocks onto the train.
1
(6 marks)