Constructive Triangles - Rectangular Box: Difference between revisions
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| Topic = Sensorial | | Topic = Sensorial | ||
| Subtopic = Visual Discrimination of Form | | Subtopic = Visual Discrimination of Form | ||
| | | image = [[File:Rectangular Box 2.JPG|320px]] | ||
| Level = [[Primary]] | | Level = [[Primary]] | ||
| Age = 4 + | | Age = 4 + | ||
| Preqs = [[Geometric Cabinet | | Preqs = [[Geometric Cabinet]] | ||
| Materials = | | Materials = Rectangular Box of Constructive Triangles | ||
}} | }} | ||
Use of this material makes the child aware that all polygons can be made with triangles. | Use of this material makes the child aware that all polygons can be made with triangles. | ||
This activity prepares the child for geometry. | This activity prepares the child for geometry. | ||
== Presentation == | == Presentation == | ||
# | # Invite the child to the lesson. Name the work and show them where it is on the shelf. | ||
#:[[Image:Rectangular Box 1.JPG| | # Unroll a large mat (or put two smaller mats side by side). | ||
# | # Take the box of triangles to the mat. | ||
#:[[Image:Rectangular Box 2.JPG| | # Lay the triangles so that the ones that go together are in columns. | ||
#:[[Image:Rectangular Box 1.JPG|270px]] | |||
# 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. | |||
#:[[Image:Rectangular Box 2.JPG|270px]] | |||
== Points of Interest == | == Points of Interest == | ||
== Control of Error == | == Control of Error == | ||
The black lines serve as a control of error when constructing the shapes. | |||
== Variations and Extensions == | == Variations and Extensions == | ||
== Material == | == Material == | ||
===Make Your Own=== | |||
Printable version available to buy here: | |||
<gallery mode="nolines"> | |||
File:Constructive_Triangles.png|[https://www.teacherspayteachers.com/Product/Montessori-Constructive-Triangles-5638224 Constructive Triangles] - $4.50|link=https://www.teacherspayteachers.com/Product/Montessori-Constructive-Triangles-5638224 | |||
</gallery> | |||
===Where to Buy=== | |||
[[Category:Where to Buy]] | |||
Prices and links checked: 05 August 2020 | |||
<div class="buyGrid"> | |||
<div class="buyElement"> | |||
{| class="buytable sortable" | |||
|- | |||
!colspan="2"|Set of 5 Constructive Triangle Boxes | |||
|- | |||
! Store !! Price | |||
|- | |||
|[https://www.adenamontessori.com/ius/details.php?did=909 Adena] | |||
|$88.95 | |||
|- | |||
|[https://www.alisonsmontessori.com/Constructive_Triangles_Set_of_all_5_Boxes_p/s16.plastic.htm Alison's]<br><span class="comment">plastic</span> | |||
|$27.00 | |||
|- | |||
|[https://www.alisonsmontessori.com/Constructive_Triangles_p/s16.htm Alison's] | |||
|$157.60 | |||
|- | |||
|[https://bruinsmontessori.com/products/sensorial/constructive-triangles-in-5-boxes.html Bruins] | |||
|$290.00 | |||
|- | |||
|[https://usa.montessorimaterials.com/products/constructive-triangles-5-boxes E & O] | |||
|$130.50 | |||
|- | |||
|[https://shop.hellowood.com/Constructive-Triangles-S9.htm?categoryId=-1 Hello Wood] | |||
|$328.00 | |||
|- | |||
|[https://www.kidadvance.com/constructive-triangles-with-5-boxes.html Kid Advance] | |||
|$89.99 | |||
|- | |||
|[https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/constructive-triangles-with-5-boxes.html Leader Joy] | |||
|$99.95 | |||
|- | |||
|[https://www.thematerialscompany.com/collections/sensorial/products/constructive-triangles-set-of-5-boxes Materials Co. of Boston] | |||
|$230.00 | |||
|- | |||
|[https://www.montessori-n-such.com/p-1181-constructive-triangles-set-item-s5365.aspx Montessori N' Such] | |||
|$80.00 | |||
|- | |||
|[https://montessorioutlet.com/authentic-montessori/sensorial/constructive-triangles-in-five-boxes.html Montessori Outlet] | |||
|$98.95 | |||
|- | |||
|[https://www.nienhuis.com/us/en/constructive-triangles-nienhuis-montessori-usa/product/4543/ Neinhuis] | |||
|$299.00 | |||
|- | |||
|[https://www.thinkamajigs.com/constructive-triangles/ Thinkamajigs] | |||
|$119.95 | |||
|} | |||
</div> | |||
<div class="buyElement"> | |||
{| class="buytable sortable" | |||
|- | |||
!colspan="2"|Blue Triangles Box | |||
|- | |||
! Store !! Price | |||
|- | |||
|[https://adenamontessori.com/ius/details.php?did=17 Adena] | |||
|$18.69 | |||
|- | |||
|[https://www.alisonsmontessori.com/Blue_Constructive_Triangles_Premium_Quality_p/ps07.htm Alison's] | |||
|$38.25 | |||
|- | |||
|[https://bruinsmontessori.com/products/sensorial/constructive-blue-triangles.html Bruins] | |||
|$45.00 | |||
|- | |||
|[https://usa.montessorimaterials.com/products/constructive-blue-triangles E & O] | |||
|$21.60 | |||
|- | |||
|[https://shop.hellowood.com/Scalene-Triangle-Box-S11.htm Hello Wood] | |||
|$53.00 | |||
|- | |||
|[https://www.kidadvance.com/constructive-blue-triangles.html Kid Advance] | |||
|$18.99 | |||
|- | |||
|[https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/constructive-blue-triangles.html Leader Joy] | |||
|$20.95 | |||
|- | |||
|[https://www.thematerialscompany.com/collections/sensorial/products/rectangular-box-with-12-triangles Materials Co. of Boston] | |||
|$31.00 | |||
|- | |||
|[https://www.montessori-n-such.com/p-1182-constructive-blue-triangles-set-item-s5366.aspx Montessori N' Such] | |||
|$15.01 | |||
|- | |||
|[https://montessorioutlet.com/authentic-montessori/sensorial/constructive-blue-triangles.html Montessori Outlet] | |||
|$18.95 | |||
|- | |||
|[https://www.nienhuis.com/us/en/12-identical-blue-triangles-nienhuis-montessori-usa/product/4433/ Nienhuis] | |||
|$59.60 | |||
|- | |||
|[https://www.thinkamajigs.com/blue-triangles/ Thinkamajigs] | |||
|$17.95 | |||
|} | |||
</div> | |||
</div> | |||
==Further Reading== | |||
*[[Basic Montessori: Learning Activities for Under-fives]] by David Gettman, pages 88-90 |
Revision as of 21:26, 26 August 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 checked: 05 August 2020
Set of 5 Constructive Triangle Boxes | |
---|---|
Store | Price |
Adena | $88.95 |
Alison's plastic |
$27.00 |
Alison's | $157.60 |
Bruins | $290.00 |
E & O | $130.50 |
Hello Wood | $328.00 |
Kid Advance | $89.99 |
Leader Joy | $99.95 |
Materials Co. of Boston | $230.00 |
Montessori N' Such | $80.00 |
Montessori Outlet | $98.95 |
Neinhuis | $299.00 |
Thinkamajigs | $119.95 |
Blue Triangles Box | |
---|---|
Store | Price |
Adena | $18.69 |
Alison's | $38.25 |
Bruins | $45.00 |
E & O | $21.60 |
Hello Wood | $53.00 |
Kid Advance | $18.99 |
Leader Joy | $20.95 |
Materials Co. of Boston | $31.00 |
Montessori N' Such | $15.01 |
Montessori Outlet | $18.95 |
Nienhuis | $59.60 |
Thinkamajigs | $17.95 |
Further Reading
- Basic Montessori: Learning Activities for Under-fives by David Gettman, pages 88-90