What Does It Mean to Go Deeper?

What Does It Mean to Go Deeper?

Over the past year I have had a number of opportunities to work with teachers who have been using Investigations for many years but are new to Investigations 3. Keith’s blog about “the size of the chairs” and respecting “the knowledge and experiences brought to the...
A Division Solution: Amazing or Perplexing?

A Division Solution: Amazing or Perplexing?

At a recent professional development session on multiplication and division, my colleague and I asked participants to examine some student solutions to the problem: 1564 ÷ 36. Before looking at the student work below, think about how you would solve the problem. The...
Puzzling Through Making Fraction Sets

Puzzling Through Making Fraction Sets

Last year I volunteered in a third grade class. The school mainly uses Investigations 3. During a visit last spring, the class was working on the second session of the fractions unit. I was excited to find out about the students’ beginning understandings of fractions....