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 cassita Joined: Feb 2010 Posts: 165 Full Member
cassita

Joined: Feb 2010
Posts: 165
Full Member
Esl
01-24-2012, 02:51 PM
 #1

Hello All,

I'm creating an SIOP lesson plan for 5th grade math. We are identifying different triangles.
I need of couple of methods on how to build their background knowledge about triangles for ESL. Any feedback will be highly appreciated.

Thanks

 elltch Joined: Sep 2011 Posts: 142 Full Member
elltch

Joined: Sep 2011
Posts: 142
Full Member

01-24-2012, 03:58 PM
 #2

First, brainstorm what they already know about triangles and write their responses on a chart.

Show some examples. Perhaps print out some pictures of various triangles, or have some actual manipulatives, put them in a bag, and distribute a bag to small groups. They can look at and discuss, then see if they can add to the chart. Ask them where they see triangles in the real world.

Show this video. It's a great 2 1/2 minute you tube video clip on "Real World Triangles." http://www.youtube.com/watch?v=X6bQft45LXs

 broomrider Joined: Sep 2008 Posts: 4,498 Senior Member
broomrider

Joined: Sep 2008
Posts: 4,498
Senior Member
Manipulate triangles
01-24-2012, 10:56 PM
 #3

You can have them make triangles using cut straws and pipe cleaner pieces--they can do the cutting. Use the pipe cleaners (chenille craft thingies) to connect 3 lengths of straw. Students can manipulate the joins to create a variety of triangle types: acute, obtuse, right. You can also have them experiment with different lengths of the straws. Congruent figures. The straws are the perimeter, tracing just inside them and cutting out paper to fit inside gives the area.

You might look at a Marilyn Burns book The Greedy Triangle. This book explores a variety of shapes and might be handy for other, further geometric shapes. Search for Greedy triangle activities--there are lots, but most go beyond triangles into different polygons.

 cassita Joined: Feb 2010 Posts: 165 Full Member
cassita

Joined: Feb 2010
Posts: 165
Full Member
Thanks
01-25-2012, 05:32 AM
 #4

elltch, thanks for the input! I will watch the video today

 cassita Joined: Feb 2010 Posts: 165 Full Member
cassita

Joined: Feb 2010
Posts: 165
Full Member
Thanks a Bunch
01-25-2012, 05:33 AM
 #5

broomrider, thanks for the input. I had thought about the pipe cleaner on yesterday

 signedoutesl Guest
signedoutesl

Guest

01-25-2012, 06:28 AM
 #6

You could...
Grab bag triangle shaped objects and talk about them.
Make a word map with Triangle in the middle and makes bubbles that have triangular shapes objects in them. You could even pre-create an organizer on SMARTboard, PP, or paper that have the "bubbles" as a triangle, too.
Take a walk around the building or playground and ISPY triangle objects.

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ESL/LEP