What Happens When There Are More Than 10?

What Happens When There Are More Than 10?

Imagine you are 6 years old. Or 7. You know you can use your fingers to model subtraction. For example, for a problem where there are 7 grapes and 2 get eaten, you can raise 7 fingers, put down 2, and count how many are left. But what do you do when the problem...
¡Gracias, Myriam, y Hasta Luego!

¡Gracias, Myriam, y Hasta Luego!

Our colleague, Myriam Steinback, is heading off on a new adventure. Her departure, after 21 years directing Investigations Workshops, gives us the opportunity to reflect on her work and contributions. Investigations professional development provides opportunities for...
From “Uh Oh!” to “Aha!”

From “Uh Oh!” to “Aha!”

Over 20 years ago, just out of college, I applied for a job at TERC after seeing an ad in a newspaper. A project called Investigations in Number, Data, and Space was looking for a classroom observer. I had spent most of my college years volunteering in an elementary...
Welcome to our Blog!

Welcome to our Blog!

We – the staff of the Investigations Center for Curriculum and Professional Development – are thrilled that the new Investigations 3 website is live, and are particularly excited to now have a blog. We have been reading lots of blogs in anticipation of starting our...