Investigations in Number, Data, and Space

Investigations in Number, Data, and Space

Developed at TERC and supported by a National Science Foundation Grant, Investigations is a research–based, child–centered approach to teaching mathematics.

Investigations in Number, Data, and Space
Investigations in Number, Data, and Space

Student Math Handbook

An exciting NEW component for students.

Sample Lesson
Investigations in Number, Data, and Space

Student Activity Book

Daily practice pages, games, homework, and student sheets.

Sample Lesson
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Digital Components

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Investigations in Number, Data, and Space en español Investigations in Number, Data, and Space en español

Announcements



  • Win a Class Set!

Review an online sample and you’ll receive an email asking if you would like to win a Class Set of Investigations Materials.   official rules


  • Hear from the TERC authors

Coming Soon!