100 Subitizing Slides & 10 Challenge Patterns – Steve Wyborney's Blog: I'm on a Learning Mission. | Professional Learning for Busy Educators | Scoop.it
With a click, a pattern of dots appears on your screen.  Instantly your students tell how many.  They don’t count the dots.  Instead they simply know the total at a glance.

Subitizing – when a person looks at a small set of objects and instantly detects the total without counting.  It’s a powerful process and a truly remarkable one.

I have a new resource for you.  100 Subitizing Slides & 10 Challenge Patterns.