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[http://www.montessorioutlet.com/cgi-bin/item/510300300/5103/Montessori-Outlet-Constructive-Triangles-In-Five-Boxes Montessori Outlet] $72.95<br>
 
[http://www.montessorioutlet.com/cgi-bin/item/510300300/5103/Montessori-Outlet-Constructive-Triangles-In-Five-Boxes Montessori Outlet] $72.95<br>
 
[https://www.thinkamajigs.com/constructive-triangles/ Thinkamajigs] $119.95<br>
 
[https://www.thinkamajigs.com/constructive-triangles/ Thinkamajigs] $119.95<br>
[https://merocomontessori.com/montessori-math-materials/15-constructive-triangles-in-five-boxes.html?search_query=large+hexagon+box+montessori&results=29 merocomontessori] $32 (Constructive Triangles In Five Boxes) <br>
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[https://merocomontessori.com/montessori-math-materials/15-constructive-triangles-in-five-boxes.html Meroco Montessori] $32 (Constructive Triangles In Five Boxes) <br>

Latest revision as of 18:57, 18 July 2018

Constructive Triangles -
Large Hexagonal Box
Sensorial - Visual Discrimination of Form
Lrghx 6.JPG
Level Primary
Age 4 +
Prerequisites Geometric Cabinet
Constructive Triangles - Triangular Box
Constructive Triangles - Rectangular Box
Constructive Triangles - Blue Rectangular Box
Materials Large Hexagonal Box

Use of this material makes the child aware that all polygons can be made with triangles. This activity prepares the child for geometry.

Presentation

  1. Take the material to a large mat. Lay out the triangles on the mat as shown.
    Lrghx 1.JPG
  2. Slide down the first triangle.
  3. Slide down the bottom portion of the next triangle. Trace your fingers over the black line on one of its sides.
  4. Trace your fingers along the black line on one of the same type of triangles. Slide it down until the sides come together.
  5. Trace your fingers in the angle left by the two triangles. Trace the angle of the remaining triangle.
  6. Slide that piece down to the empty space where it fits.
    Lrghx 2.JPG
  7. Cover this triangle with the first.
    Lrghx 3.JPG
  8. Step four
    Lrghx 4.JPG
  9. Step five
    Lrghx 5.JPG
  10. Step six
    Lrghx 6.JPG


Points of Interest

Control of Error

Variations and Extensions

Material

Make Your Own

Printable Constructive Triangles available from Livable Learning.

Where to Buy

All 5 Constructive Triangle Boxes
Adena $69.96
Adena $41.39 (only 3 constructive triangle boxes)
Albanesi $505.00
Alison's $150.00
Bruins $274.00
Cabdev $285.00
Caliber $77.99
Creative Learning $79.95
E & O $290.00
Hello Wood $289.00
Juliana Group $470.40
Kid Advance $69.99
Montessori Land $99.00
Montessori N' Such $185.00
Montessori Outlet $72.95
Thinkamajigs $119.95
Meroco Montessori $32 (Constructive Triangles In Five Boxes)