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I live in New York

I teach 3rd grade

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Rhonda

I live in New Jersey

I teach 6th grade literacy

I am passionate about my students becoming lifelong readers and writers

Beth

I live in Michigan

I teach 3rd grade

I am an enthusiastic teacher and techie, and a mom of three boys

Erin

I live in Michigan

I teach 2nd grade

I am a Tweet loving, technology integrating, mom of two with a passion for classroom design!

John

I live in New York

I teach writing for grades 5-8

I am a sharpener of minds who keeps students' thinking on point

Genia

I live in Michigan

I teach third grade

I am a teacher who loves sparking the curiosity that ignites a child's learning

Kriscia

I live in California

I teach 2nd and 3rd grades

I am an eager educator, on the hunt to find the brilliance in all

Brian

I live in North Carolina

I teach kindergarten

I am a kindergarten teacher who takes creating a fun, engaging classroom seriously

Lindsey

I live in Illinois

I teach 4th grade

I am a theme-weaving, bargain-hunting, creative public educator

Shari

I live in Idaho

I teach kindergarten

I am a wife, mom, and home chef who loves cooking up ways to make learning fun in school

Christy

I live in New York

I teach K-5 technology

I am a proud supporter of American public education and a tech integrationist

Amanda

I live in Illinois

I teach 1st and 2nd grades

I am a jewelry-making, pet-loving, runner, crafter, and bilingual teacher

Allie

I live in Nevada

I teach kindergarten

I am a loving, enthusiastic teacher whose goal is to make learning exciting for every child

Examining Polyhedrons Through an Isometric Lens

By Stacey Burt on February 24, 2012
  • Grades: 6–8

Analyzing the properties and characteristics of polyhedrons can be challenging even for the most discriminating mathematician. Using isometric dot paper to ease into the world of polyhedrons is a good way to start.

The National Council of Teachers of Mathematics’ Web site Illuminations is invaluable to me. On their site is a unit on cubes and isometric drawings. The unit includes a virtual drawing tool and a printable piece of isometric dot paper. When I'm beginning to teach surface area, faces, edges, and volume (or reviewing — I am teaching both 5th and 6th grade math this year), I always start by considering and constructing polyhedrons on an isometric grid. For the students that haven’t quite developed that sense of spatial reasoning, this can prove a bit difficult. That is why I am so drawn to the interactive drawing tool: there's no wasted paper and there are limitless practice opportunities.

I usually kick off the unit by explaining that many of the computer games and graphics they are accustomed to were created on an isometric grid. This usually gets their attention. Examples of graphics created in the 1980s and 1990s illustrates to students the advancements we've seen in technology and computer-generated graphics.

Working with isometric perspective allows students to wrap their heads around the concepts of volume, edges, and surface area. By relating it to real-world applications, like computer graphics, the concept becomes even clearer. So while you're enjoying the trip down memory lane looking at “old school” graphics, rest assured that it all started through an isometric lens.

Best—
Stacey

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