Posts Tagged ‘subitizing’

100 Subitizing Slides & 10 Challenge Patterns

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…

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These Dots Will Grow On You

Nearing the end of the Subitizing Series, I wanted to take time to detail a single math question, while placing an emphasis on noticing.  The result is the video below:  These Dots Will Grow on You.  I encourage you to download the resources and to use them in class while providing your students with plenty…

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Beyond Subitizing

In this 4th post in the Subitizing Series I’ll use 4 simple dots to illustrate what happens when we provide students with space to notice.  There is also an image at the end that is one of my favorite patterns to use with students.  I hope you will use it in your classroom!  Enjoy! THE…

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How to Make Quick Subitizing Images + 3 Free Resources

You are moments away from creating your own quick images.  Watch the video, download the three free resources, and use your new images to promote rich mathematical discourse in your classroom. 1.  Experiencing Subitizing 2.  The Boundary of Subitizing, “The Rewind Version” 3.  How to Make Quick Subitizing Images + 3 Free Resources 4.  Beyond…

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The Boundary of Subitizing (The Rewind Version)

Before I proceed with this series on subitizing, I must raise these questions:  Is there a subitizing boundary?  Is there a number of objects which are simply too many to subitize?  If so, what might that number be?   1.  Experiencing Subitizing 2.  The Boundary of Subitizing, “The Rewind Version” 3.  How to Make Quick…

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