Constructive Triangles - Rectangular Box: Difference between revisions
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Prices and links last checked: 1 June 2020<br> | Prices and links last checked: 1 June 2020<br> | ||
Prices and links last checked: 1 June 2020<br> | |||
'''Set of 5 Constructive Triangle Boxes'''<br> | '''Set of 5 Constructive Triangle Boxes'''<br> | ||
(Includes: Rectangular Box, [[Constructive Triangles - Triangular Box|Triangular Box]], [[Constructive Triangles - Blue Rectangular Box|Blue Rectangular Box]], [[Constructive Triangles - Large Hexagonal Box|Large Hexagonal Box]], [[Constructive Triangles - Small Hexagonal Box|Small Hexagonal Box]])<br> | (Includes: [[Constructive Triangles - Rectangular Box|Rectangular Box]], [[Constructive Triangles - Triangular Box|Triangular Box]], [[Constructive Triangles - Blue Rectangular Box|Blue Rectangular Box]], [[Constructive Triangles - Large Hexagonal Box|Large Hexagonal Box]], [[Constructive Triangles - Small Hexagonal Box|Small Hexagonal Box]])<br> | ||
[http://www.adenamontessori.us/details.php?did=909 Adena] $88.95<br> | [http://www.adenamontessori.us/details.php?did=909 Adena] $88.95<br> | ||
[https://www.alisonsmontessori.com/Constructive_Triangles_p/s16.htm Alison's] $157.60<br> | [https://www.alisonsmontessori.com/Constructive_Triangles_p/s16.htm Alison's] $157.60<br> | ||
| Line 54: | Line 53: | ||
[https://www.kidadvance.com/constructive-triangles-with-5-boxes.html Kid Advance] $89.99<br> | [https://www.kidadvance.com/constructive-triangles-with-5-boxes.html Kid Advance] $89.99<br> | ||
[https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/constructive-triangles-with-5-boxes.html Leader Joy] $99.95<br> | [https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/constructive-triangles-with-5-boxes.html Leader Joy] $99.95<br> | ||
[https://www.thematerialscompany.com/collections/sensorial/products/constructive-triangles-set-of-5-boxes Materials Company of Boston] $230.00<br> | |||
[https://www.montessori-n-such.com/p-1181-constructive-triangles-set-item-s5365.aspx Montessori N' Such] $80.00<br> | [https://www.montessori-n-such.com/p-1181-constructive-triangles-set-item-s5365.aspx Montessori N' Such] $80.00<br> | ||
[https://montessorioutlet.com/authentic-montessori/sensorial/constructive-triangles-in-five-boxes.html Montessori Outlet] $98.95<br> | [https://montessorioutlet.com/authentic-montessori/sensorial/constructive-triangles-in-five-boxes.html Montessori Outlet] $98.95<br> | ||
Revision as of 16:07, 1 June 2020
| Constructive Triangles - Rectangular Box | |
|---|---|
| Sensorial - Visual Discrimination of Form | |
 | |
| Level | Primary |
| Age | 4 + |
| Prerequisites | Geometric Cabinet |
| Materials | Rectangular Box of Constructive Triangles |
Use of this material makes the child aware that all polygons can be made with triangles. This activity prepares the child for geometry.
Presentation
- Invite the child to the lesson. Name the work and show them where it is on the shelf.
- Unroll a large mat (or put two smaller mats side by side).
- Take the box of triangles to the mat.
- Lay the triangles so that the ones that go together are in columns.
- Slide down the bottom triangle for the first shape.
- Trace over the black line on it with your index and middle fingers.
- Trace the black line on the corresponding triangle.
- Slide down the second triangle so the black lines meet.
- Do the same with the other shapes.
Points of Interest
Control of Error
The black lines serve as a control of error when constructing the shapes.
Variations and Extensions
Material
Make Your Own
Printable version available to buy here:
Constructive Triangles - $4.50
Where to Buy
Prices and links last checked: 1 June 2020
Prices and links last checked: 1 June 2020
Set of 5 Constructive Triangle Boxes
(Includes: Rectangular Box, Triangular Box, Blue Rectangular Box, Large Hexagonal Box, Small Hexagonal Box)
Adena $88.95
Alison's $157.60
Bruins $290.00
E & O $145.00
Hello Wood $328.00
Kid Advance $89.99
Leader Joy $99.95
Materials Company of Boston $230.00
Montessori N' Such $80.00
Montessori Outlet $98.95
Neinhuis $299.00
Thinkamajigs $101.96
Blue Triangles Box
Adena $18.69
Alison's $38.25
Bruin's $45.00
E & O $24.00
Hello Wood $53.00
Kid Advance $18.99
Leader Joy $20.95
Materials Company of Boston $31.00
Montessori N' Such $15.01
Montessori Outlet $18.95
Nienhuis $59.60
Thinkamajigs $15.26
