Number sense. A phrase that we hear a lot in the math world. Some kids have it and some don't. Many adults lack number sense! But what do we mean by number sense, and how do we help our students develop a strong sense of number?I think it is important to have a working definition of number sense, and I like this one:“…a person's general understanding of number and operations along with the ability to use this understanding in flexible ways to make mathematical judgments and to develop
Had a great time Saturday (26 July 2014) with my 2014 Geometry Group at the Summer Program for Mathematical Problem Solving at Siena College, a three-week program for 38 mathematical talented middle schools students who go to low income NYC public schools. We presented Soap Bubbles and Mathematics, including a little guessing contest with demonstrations, explanations, […]
Have you ever been stumped by a math puzzle or problem?
Mathematician James Tanton understands that feeling, and he's designed an entire course to help you attack those seemingly impossible challenges!
I've mentioned James Tanton before (see previous mentions here), especially in the context of his Curriculum Inspirations video puzzles.
On the main Curriculum Inspirations page, he's included a
For some reason I was thinking about pieces of culture that have departed from the world but which somehow didn’t “stick” well enough to persist even in the sphere of nostalgia. Like when people think about the early 1990s, the years when I was in college, they might well say “oh yeah, grunge” or “oh yeah, […]