Dot Talk: Early Numeracy

This post is from Raquel Goya, a Kindergarten teacher at Hoover Elementary in Palo Alto, CA.  Raquel noted that, “Although … More

Arrays on the West Side

We recently learned that the third grade team at Manhattan School for Children (Elizabeth Frankel-Rivera, Madelene Geswaldo, Alice Hsu and … More

How to extend a string

We are often asked about how we can “stretch” strings beyond their place as a short mental math activity in … More