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##### Activities for Geometry CCSS

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 mhugs Joined: Jul 2008 Posts: 13,436 Senior Member
mhugs

Joined: Jul 2008
Posts: 13,436
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Activities for Geometry CCSS
12-26-2014, 06:11 PM
 #1

I'm looking for activities to support student learning. Our math book doesn't cover the topic in depth.

 irises Joined: Jul 2008 Posts: 2,703 Senior Member
irises

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Composing and decomposing shapes
12-27-2014, 07:34 AM
 #2

• Have them play/practice with pattern blocks and then find ways to make a trapezoid, rhombus, hexagon with smaller shapes.
• Make a shape outline and have students fill it with pattern blocks or let them make a shape out of pattern blocks...for each, they must total the number of each pattern block used as well as the total number used.
Hope this helps.
Also,make sure they understand the orientation: is a triangle still a triangle even if it looks upside down?

Last edited by irises; 12-27-2014 at 07:35 AM.. Reason: to add one more thought

 multigrade Joined: Aug 2009 Posts: 11,758 Senior Member

Joined: Aug 2009
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12-28-2014, 05:31 PM
 #3

Don't know if this will help, but teachertipster.com has a youtube video song about 3D shapes. Printable posters are on his site.

 stephanie518 Joined: Aug 2008 Posts: 27 New Member
stephanie518

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Here are a few I've done
12-29-2014, 07:47 AM
 #4

For 3D shapes, spend some time exploring. Students record the number of faces, edges, and corners. Point out non-defining attributes (it is a cube because it's blue, or small? No! It's a cube because it has 8 corners, etc...). Then build 3d shapes with toothpicks (edges) and gumdrops (corners). You'll have to show how the faces are invisible here. You can also have kids go on a scavenger hunt in the classroom to find 3D shapes or 3D shapes.

Spend time building new 2D shapes with other 2D shapes, then recording (I built a trapezoid using 3 triangles, I built a pentagon using 1 trapezoid and 1 triangle, etc.).

 PiscesLady Joined: Dec 2008 Posts: 285 Full Member

Joined: Dec 2008
Posts: 285
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2D and 3D
12-30-2014, 11:55 PM
 #5

2D shapes and 3D OBJECTS.

 stephanie518 Joined: Aug 2008 Posts: 27 New Member
stephanie518

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12-31-2014, 07:22 AM
 #6

Actually in the common core they are referred to as "three dimensional shapes," not objects.
Can't hurt to use shapes, objects, figures and teach all of that vocabulary!

 ginadoo Joined: Aug 2009 Posts: 358 Full Member

Joined: Aug 2009
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12-31-2014, 09:37 AM
 #7

We always refer to spheres, cubes, rectangular prisms, pyramids and cylinders as solids. We do activities with counting corners. e.g. If there are 3 cubes and 2 spheres how many corners? Answer 8 + 8 +8 +0 +0=24

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