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**Teachers of mathematics**

for centuries have helped students understand mathematics using** “manipulatives”**-- visual objects that help illustrate mathematical relationships and applications. Manipulatives allow students to visually examine, explore and develop concepts.

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**The National Library of Virtual Manipulatives (NLVM)**

at Utah State University has transported these powerful teaching tools into the virtual dimension of the computer. The NLVM collection of over 100 interactive software programs, called “applets,” are an effective means for accelerating and deepening students' understanding of math.

- Student Audience

The NLVM's innovative teaching tools are highly adaptable and can be used with a broad spectrum of students. Math activities are included for grades K-12.

- Range of Topics

The NLVM's simple-to-use index lists math activities appropriate for teaching various math concepts to students at different levels. Subjects covered include **number operations, algebra, geometry, measurement, probability, and more**.

- Program Features

NLVM math activities include:

- Virtual Math Manipulatives Instructions
- Math Lesson Objectives
- Math Lesson Plans
- Suggestions for Outside Activities
- Descriptions of Learning Assessment Methods & Math Concepts Demonstrated
- Examples of Similar Physical Math Manipulatives
- Links to related NCTM standards

- Development

The NLVM development team consists of mathematicians, math educators and instructional design experts at Utah State University.

The National Science Foundation provided funding for creation of the National Library of Virtual Manipulatives and eNLVM.

Ongoing development of new activities and functionality is supported by NLVM retail sales.