Tag Archives: place value

A conversation with my son on place value

This is an excerpt from a conversation I had with my son while we were walking from the subway to the theatre. My son: Daddy, let’s play a number game. Me: Okay. What’s seven billion, nine hundred and ninety-nine million, nine hundred and ninety-nine plus one? My son: That’s too big Daddy, I can’t add […]

Bean counting and place value

One area of mathematics which I strongly suspect many students have problem understanding is place value. It is an important abstraction for students to understand, and without understanding it, it is unlikely that students will progress very far in arithmetic (and then will likely struggle in algebra later). Here is an activity my friend David […]