Constructive Triangles - Rectangular Box: Difference between revisions

From Montessori Album
m (Text replacement - "Materials Company of" to "Materials Co. of")
(price check update)
Line 40: Line 40:


===Where to Buy===
===Where to Buy===
Prices and links last checked: <span id=datechecked>1 June 2020</span><br>
[[Category:Where to Buy]]
 
Prices and links checked: 31 July 2020
'''Set of 5 Constructive Triangle Boxes'''<br>
<div class="buyGrid">
(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>
<div class="buyElement">
[http://www.adenamontessori.us/details.php?did=909 Adena] $88.95<br>
{| class="buytable sortable"
[https://www.alisonsmontessori.com/Constructive_Triangles_p/s16.htm Alison's] $157.60<br>
|-
[https://bruinsmontessori.com/products/sensorial/constructive-triangles-in-5-boxes.html Bruins] $290.00<br>
!colspan="2"|Set of 5 Constructive Triangle Boxes
[https://usa.montessorimaterials.com/products/constructive-triangles-5-boxes E & O] $145.00<br>
|-
[https://shop.hellowood.com/Constructive-Triangles-S9.htm?categoryId=-1 Hello Wood] $328.00<br>
! Store !! Price
[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>
|[http://www.adenamontessori.us/details.php?did=909 Adena]
[https://www.thematerialscompany.com/collections/sensorial/products/constructive-triangles-set-of-5-boxes Materials Co. of Boston] $230.00<br>
|$88.95
[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://www.alisonsmontessori.com/Constructive_Triangles_p/s16.htm Alison's]
[https://www.nienhuis.com/us/en/constructive-triangles-nienhuis-montessori-usa/product/4543/ Neinhuis] $299.00<br>
|$157.60
[https://www.thinkamajigs.com/constructive-triangles/ Thinkamajigs] $101.96<br>
|-
 
|[https://bruinsmontessori.com/products/sensorial/constructive-triangles-in-5-boxes.html Bruins]
'''Blue Triangles Box'''<br>
|$290.00
[https://adenamontessori.com/ius/details.php?did=17 Adena] $18.69<br>
|-
[https://www.alisonsmontessori.com/Blue_Constructive_Triangles_Premium_Quality_p/ps07.htm Alison's] $38.25<br>
|[https://usa.montessorimaterials.com/products/constructive-triangles-5-boxes E & O]
[https://bruinsmontessori.com/products/sensorial/constructive-blue-triangles.html Bruin's] $45.00<br>
|$145.00
[https://usa.montessorimaterials.com/products/constructive-blue-triangles E & O] $24.00<br>
|-
[https://shop.hellowood.com/Scalene-Triangle-Box-S11.htm Hello Wood] $53.00<br>
|[https://shop.hellowood.com/Constructive-Triangles-S9.htm?categoryId=-1 Hello Wood]
[https://www.kidadvance.com/constructive-blue-triangles.html Kid Advance] $18.99<br>
|$328.00
[https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/constructive-blue-triangles.html Leader Joy] $20.95<br>
|-
[https://www.thematerialscompany.com/collections/sensorial/products/rectangular-box-with-12-triangles Materials Co. of Boston] $31.00<br>
|[https://www.kidadvance.com/constructive-triangles-with-5-boxes.html Kid Advance]
[https://www.montessori-n-such.com/p-1182-constructive-blue-triangles-set-item-s5366.aspx Montessori N' Such] $15.01<br>
|$89.99
[https://montessorioutlet.com/authentic-montessori/sensorial/constructive-blue-triangles.html Montessori Outlet] $18.95<br>
|-
[https://www.nienhuis.com/us/en/12-identical-blue-triangles-nienhuis-montessori-usa/product/4433/ Nienhuis] $59.60<br>
|[https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/constructive-triangles-with-5-boxes.html Leader Joy]
[https://www.thinkamajigs.com/blue-triangles/ Thinkamajigs] $15.26<br>
|$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]
|$101.96
|}
</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 Bruin's]
|$45.00
|-
|[https://usa.montessorimaterials.com/products/constructive-blue-triangles E & O]
|$24.00
|-
|[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]
|$15.26
|}
</div>
</div>


==Further Reading==
==Further Reading==
*[[Basic Montessori: Learning Activities for Under-fives]] by David Gettman, pages 88-90
*[[Basic Montessori: Learning Activities for Under-fives]] by David Gettman, pages 88-90

Revision as of 20:11, 31 July 2020

Constructive Triangles - Rectangular Box
Sensorial - Visual Discrimination of Form
Rectangular Box 2.JPG
LevelPrimary
Age4 +
PrerequisitesGeometric Cabinet
MaterialsRectangular 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

  1. Invite the child to the lesson. Name the work and show them where it is on the shelf.
  2. Unroll a large mat (or put two smaller mats side by side).
  3. Take the box of triangles to the mat.
  4. Lay the triangles so that the ones that go together are in columns.
    Rectangular Box 1.JPG
  5. Slide down the bottom triangle for the first shape.
  6. Trace over the black line on it with your index and middle fingers.
  7. Trace the black line on the corresponding triangle.
  8. Slide down the second triangle so the black lines meet.
  9. Do the same with the other shapes.
    Rectangular Box 2.JPG

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:

Where to Buy

Prices and links checked: 31 July 2020

Set of 5 Constructive Triangle Boxes
Store Price
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 Co. of Boston $230.00
Montessori N' Such $80.00
Montessori Outlet $98.95
Neinhuis $299.00
Thinkamajigs $101.96
Blue Triangles Box
Store Price
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 Co. of Boston $31.00
Montessori N' Such $15.01
Montessori Outlet $18.95
Nienhuis $59.60
Thinkamajigs $15.26

Further Reading