Investigations in Number, Data, and Space ©2012


A child-centered approach to teaching mathematics through engaging activities, discussions, and problem solving.


NEW! Investigations for the Interactive Whiteboard

Energize and engage students with activities developed specifically for the whiteboard.

NEW! Differentiation and Intervention guide

Additional Intervention, Practice, and Extension activities meet the needs of all students.


Close to 100

Teach students place value through the Close to 20, Close to 100, or Close to 1000 games, now in a whole new way.
Now available for your iPhone!

Inv_Close to 100 Cards


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