Dot Cards are the ultimate tool for building number sense, focusing on subitizing instead of counting. In her latest post, Becky Lord shares how these visual patterns help students understand numbers, develop key strategies, and unlock math success.
First there was Subitizing, and now there’s… Groupitizing! We all are born with an innate ability to subitize, which means to see a small amount and instantly know how many …
“Visuals in math curriculum are often entertaining, not educational” – (paraphrased from Steve Chinn) The birds are cute, but do they develop number sense? The science of math shows that …
When you think of “numbers” – what comes to mind? For most adults, what we picture for numbers is really what we call numerals, such as “7” or “28”. These …
