Reflection: Developing a Conceptual Understanding Quick Flashes With Shapes - Section 5: Extra Practice


During this geometry unit, I want to continue the algebra momentum that I gained in the first few units.  Today, I included a problem titled How Many Rocks?  I wanted the students to continue to practice the story problem routine that had been created and to see which addition strategy each child was using when combining numbers.

I have included one piece of work (titled Emma) that can be found in the section resource.  This child is using the counting on strategy, but she doesn't know how to explain or illustrate her thinking.  In this case she has drawn out 8 hops and then 3 more and stated that she counted on from 8.  I called her over and we talked about her approach.  I modeled how to illustrate her counting on strategy (see the purple pen marks on the paper).


  Developing a Conceptual Understanding: Looking at Student Work
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Quick Flashes With Shapes

Unit 9: Shapes Within Shapes
Lesson 3 of 10

Objective: SWBAT replicate visual images of 2-D shapes. SWBAT use mathematical language to describe 2-D shapes.

Big Idea: Learning a new way to FLASH! Today students will focus on replicating 2-D shapes that are flashed before their eyes and then continue working with pattern blocks activities.

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Math, Geometry, One-Dimensional Geometry, composing shapes
  70 minutes
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