4th Grade: Video

What does an Investigations classroom look and sound like? The videos below provide images of teachers and students at work in a range of fourth grade classrooms.

Students count around the class by 6. They pause partway through to think about how many students have counted, and how they know.

This clip is also posted on Curriculum in the
Classroom: Classroom Routines and TMM.

A student shares her strategy for solving 424-289.

Students compare two strategies for solving 145 + 226, one of which is the US standard algorithm.

This class discusses the number of windows in a building that is 5 cubes high. The side of each cube has one window, and the “skylight” on top of the tower also counts as a window.