Difference between revisions of "Broad Stair"

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{{Infobox Lesson
 
{{Infobox Lesson
 
| Name          = Broad Stair
 
| Name          = Broad Stair
| Topic        = [[Sensorial]]
+
| Topic        = Sensorial
| Subtopic      = [[Visual Discrimination]]
+
| Subtopic      = Visual Discrimination of Size
| Photo         = Broad Stair.jpg
+
| image         = [[File:Broad Stair.jpg||320px]]
 
| Level        = [[Pre-Primary]] <br> [[Primary]]
 
| Level        = [[Pre-Primary]] <br> [[Primary]]
 
| Age          = 2.5 - 3.5
 
| Age          = 2.5 - 3.5
| Preq_skills      = small muscle coordination
+
| Preqs        = small muscle coordination <br> [[Pink Tower]]
| Preq_lessons        = [[Pink Tower]]
 
 
| Materials      = set of Broad Stair prisms
 
| Materials      = set of Broad Stair prisms
 
}}
 
}}
 
+
Also called the Brown Stair.<br>
 
Use of this material teaches the child visual discrimination of thickness.
 
Use of this material teaches the child visual discrimination of thickness.
This activity also prepares the child for algebra.
 
 
 
== Presentation ==
 
== Presentation ==
* Invite the child to the lessonName the lessonUnroll a rug.
+
# Starting with the thinnest prism, carry the prisms one-by-one to a mat.  Lay them out randomly, but all aligned vertically.
*
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#:[[File:Broad Stair 1.JPG|220px|center]]
*
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# Find the thickest and the thinnest of the prisms and set them at the bottom of the mat.  Point to each and say to the child, "This is thickThis is thin."  Then mix the two prisms back in with the others.
 +
#:[[File:Broad Stair 2.JPG|220px|center]]
 +
# Take the thickest prism and set it in the upper left-hand corner of the matThen find the next thickest and set it to the right of the first.
 +
#:[[File:Broad Stair 3.JPG|220px|center]]
 +
# Continue until all of the prisms have been put in order creating a stair.
 +
#:[[File:Broad Stair 4.JPG|220px|center]]
 +
# To put the work away, carry the prisms back to the shelf one at a time starting with the thickest one.
  
 +
===Video===
 +
Segment on Broad Stair begins at 15:20.
 +
{{#widget:YouTube|id=gCJ0vRoE5Ts}}
  
 
== Points of Interest ==
 
== Points of Interest ==
Line 26: Line 32:
 
== Variations and Extensions ==
 
== Variations and Extensions ==
  
== Language ==
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== Material ==
 +
===Make Your Own===
 +
*[https://www.thingiverse.com/thing:2766532 Free laser cutting pattern on Thingiverse]
  
== Material ==
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===Where to Buy===
 +
[[Category:Where to Buy]]
 +
Prices and links checked: 07 October 2020
 +
<div class="buyGrid">
 +
<div class="buyElement">
 +
{| class="buytable sortable"
 +
|-
 +
!colspan="2"|Broad Stair
 +
|-
 +
! Store !! Price
 +
|-
 +
|[https://www.absorbentmontessorimaterial.com/product_p/s06.htm Absorbent Montessori]
 +
|$65.00
 +
|-
 +
|[https://adenamontessori.com/ius/details.php?did=1406 Adena]<br><span class="comment">stained wood</span>
 +
|$86.95
 +
|-
 +
|[https://adenamontessori.com/ius/details.php?did=6 Adena]<br><span class="comment">painted wood</span>
 +
|$86.91
 +
|-
 +
|[https://www.affordmontessori.com/index.php/montessori-material/sensorial/brown-stairs.html Affordable Montessori]
 +
|$105.00
 +
|-
 +
|[https://www.alisonsmontessori.com/Natural_Brown_Stairs_p/s64.htm Alison's]
 +
|$60.00
 +
|-
 +
|[https://www.alisonsmontessori.com/Natural_Brown_Stair_p/s64.htm Alison's]<br><span class="comment">natural wood</span>
 +
|$60.00
 +
|-
 +
|[https://www.alisonsmontessori.com/Natural_Brown_Stairs_p/s64.htm Alison's]
 +
|$60.00
 +
|-
 +
|[https://bestmontessoritoys.com/home/274-montessori-outlet-brown-stair.html Best Montessori Toys]
 +
|$124.99
 +
|-
 +
|[https://bruinsmontessori.com/products/sensorial/broad-stair.html Bruins]
 +
|$170.00
 +
|-
 +
|[https://usa.montessorimaterials.com/products/broad-brown-stair-brown-lacquer E & O]<br><span class="comment">brown lacquer</span>
 +
|$170.10
 +
|-
 +
|[https://usa.montessorimaterials.com/products/broad-stair-painted-brown E & O]<br><span class="comment">painted brown</span>
 +
|$170.10
 +
|-
 +
|[https://shop.hellowood.com/Brown-Stair-S1.htm Hello Wood]
 +
|$175.00
 +
|-
 +
|[https://www.montessoriequipment.com/IFIT-Montessori-Broad-Stair-p/s.001.1.htm IFIT]
 +
|$89.00
 +
|-
 +
|[https://www.kidadvance.com/brown-stairs.html Kid Advance]
 +
|$87.99
 +
|-
 +
|[https://www.leaderjoyusa.com/Montessori/Montessori%20toys,%20sensorial/brown-stairs.html Leader Joy]
 +
|$95.95
 +
|-
 +
|[https://www.thematerialscompany.com/collections/sensorial/products/broad-stair-brown Materials Co. of Boston]
 +
|$135.00
 +
|-
 +
|[http://www.montessoriconcepts.com/store/p169/BROWN_STAIRS_%28SE009%29.html Montessori Concepts]
 +
|$96.00
 +
|-
 +
|[https://montessorioutlet.com/authentic-montessori/sensorial/brown-stair-brown-lacquer.html Montessori Outlet]<br><span class="comment">brown lacquer</span>
 +
|$94.95
 +
|-
 +
|[https://montessorioutlet.com/authentic-montessori/sensorial/brown-stair-clear-lacquer.html Montessori Outlet]<br><span class="comment">clear lacquer</span>
 +
|$94.95
 +
|-
 +
|[https://www.nienhuis.com/us/en/the-brown-stair-brown-lacquer-nienhuis-montessori-usa/product/5281/ Nienhuis]<br><span class="comment">brown lacquer</span>
 +
|$139.46
 +
|-
 +
|[https://www.nienhuis.com/us/en/the-brown-stair-clear-lacquer-nienhuis-montessori-usa/product/5116/ Nienhuis]<br><span class="comment">clear lacquer</span>
 +
|$138.13
 +
|-
 +
|[https://www.pinkmontessori.com/collections/sensorial-1/products/natural-brown-stairs-premium Pink Montessori]<br><span class="comment">clear lacquer</span>
 +
|$82.50
 +
|-
 +
|[https://www.pinkmontessori.com/collections/sensorial-1/products/brown-stairs Pink Montessori]<br><span class="comment">brown paint</span>
 +
|$62.90
 +
|-
 +
|[https://www.pinkmontessori.com/collections/sensorial-1/products/premium-brown-stairpu-coating-beechwood-no-chip Pink Montessori]<br><span class="comment">brown paint</span>
 +
|$72.90
 +
|-
 +
|[https://www.thinkamajigs.com/broad-stair/ Thinkamajigs]
 +
|$96.95
 +
|}
 +
</div>
 +
</div>
 +
 
 +
== Further Reading ==
 +
*[[Basic Montessori: Learning Activities for Under-fives]] by David Gettman, pages 76-78

Latest revision as of 16:24, 7 October 2020

Broad Stair
Sensorial - Visual Discrimination of Size
Broad Stair.jpg
LevelPre-Primary
Primary
Age2.5 - 3.5
Prerequisitessmall muscle coordination
Pink Tower
Materialsset of Broad Stair prisms

Also called the Brown Stair.
Use of this material teaches the child visual discrimination of thickness.

Presentation

  1. Starting with the thinnest prism, carry the prisms one-by-one to a mat. Lay them out randomly, but all aligned vertically.
    Broad Stair 1.JPG
  2. Find the thickest and the thinnest of the prisms and set them at the bottom of the mat. Point to each and say to the child, "This is thick. This is thin." Then mix the two prisms back in with the others.
    Broad Stair 2.JPG
  3. Take the thickest prism and set it in the upper left-hand corner of the mat. Then find the next thickest and set it to the right of the first.
    Broad Stair 3.JPG
  4. Continue until all of the prisms have been put in order creating a stair.
    Broad Stair 4.JPG
  5. To put the work away, carry the prisms back to the shelf one at a time starting with the thickest one.

Video

Segment on Broad Stair begins at 15:20.

Points of Interest

Control of Error

Variations and Extensions

Material

Make Your Own

Where to Buy

Prices and links checked: 07 October 2020

Broad Stair
Store Price
Absorbent Montessori $65.00
Adena
stained wood
$86.95
Adena
painted wood
$86.91
Affordable Montessori $105.00
Alison's $60.00
Alison's
natural wood
$60.00
Alison's $60.00
Best Montessori Toys $124.99
Bruins $170.00
E & O
brown lacquer
$170.10
E & O
painted brown
$170.10
Hello Wood $175.00
IFIT $89.00
Kid Advance $87.99
Leader Joy $95.95
Materials Co. of Boston $135.00
Montessori Concepts $96.00
Montessori Outlet
brown lacquer
$94.95
Montessori Outlet
clear lacquer
$94.95
Nienhuis
brown lacquer
$139.46
Nienhuis
clear lacquer
$138.13
Pink Montessori
clear lacquer
$82.50
Pink Montessori
brown paint
$62.90
Pink Montessori
brown paint
$72.90
Thinkamajigs $96.95

Further Reading