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# Take the tray to a table or mat.  Be sure that the thousand cube is on the left and the unit bead is on the right.
# Take the tray to a table or mat.  Be sure that the thousand cube is on the left and the unit bead is on the right.
#:[[File:Intro to the Beads 1.JPG|300px]]
#:[[File:Intro to the Beads 1.JPG|300px]]
# Take out the unit bead.  "This is one.  We also call it a unit."
# Take out the unit bead. Place it to the right of the mat.  "This is one.  We also call it a unit."
#:[[File:Intro to the Beads 2.JPG|300px]]
#:[[File:Intro to the Beads 2.JPG|300px]]
# Take out the ten bar. "This is ten."
# Take out the ten bar. Place it vertically to the left of the unit. "This is ten."
#:[[File:Intro to the Beads 3.JPG|300px]]
#:[[File:Intro to the Beads 3.JPG|300px]]
# "Let's see how many unit beads there are in a ten.  One, two, three..."
# Take the unit bead and count over the units in the ten bar. "Let's see how many unit beads there are in a ten.  One, two, three... There are ten units in a ten.”
#:[[File:Intro to the Beads 4.JPG|300px]]
#:[[File:Intro to the Beads 4.JPG|300px]]
# Take out the hundred square. "This is a hundred."
# Take out the hundred square, place it to the left of the ten bar, with the wires vertical. "This is a hundred."
#:[[File:Intro to the Beads 5.JPG|300px]]
#:[[File:Intro to the Beads 5.JPG|300px]]
# "Let's see how many tens there are in a hundred.  One ten, two tens, three tens..."
# Using the ten bar, count over the tens in the hundred square. "Let's see how many tens there are in a hundred.  One ten, two tens, three tens... There are ten tens in a hundred."
#:[[File:Intro to the Beads 6.JPG|300px]]
#:[[File:Intro to the Beads 6.JPG|300px]]
# Take out the thousand cube. "This is a thousand."
# Take out the thousand cube, place it to the left of the hundred square with the wires vertical to the mat. "This is a thousand."
#:[[File:Intro to the Beads 7.JPG|300px]]
#:[[File:Intro to the Beads 7.JPG|300px]]
# "Let's see how many hundreds there are in a thousand.  One hundred, two hundreds, three hundreds..."
# Take the hundred square and count the hundreds in the thousand cube. Go from bottom to top. "Let's see how many hundreds there are in a thousand.  One hundred, two hundreds, three hundreds... There are ten hundreds in a thousand."
#:[[File:Intro to the Beads 8.JPG|300px]]
#:[[File:Intro to the Beads 8.JPG|300px]]
# Lay out all of the beads and name them one more time.
# Lay out all of the beads and name them one more time.
Line 37: Line 37:


== Variations and Extensions ==
== Variations and Extensions ==
At the elementary level you can introduce the decimal cards at the same time.


==Material==
==Material==
Line 43: Line 44:
- A small mat for the table.
- A small mat for the table.
===Where to Buy===
===Where to Buy===
Last checked: 24 April 2020<br><br>
[[Category:Where to Buy]]
[http://www.adenamontessori.us/detailsn_C205.html Adena] $27.21<br>
Prices and links checked: 23 January 2022
[https://www.affordmontessori.com/index.php/introduction-to-decimal-quantity.html Affordable Montessori] $49.00<br>
<br>(Amazon/Bookshop are affiliate links, which help cover costs of running the site.)
[http://www.montessoriresources.com/Introduction-to-Quantity-P314C7.aspx Albanesi] $69.00<br>
<div class="buyGrid">
[http://www.alisonsmontessori.com/Introduction_to_Decimal_Quantity_p/pm14.a.htm Alison's] $89.25<br>
<div class="buyElement">
[https://bruinsmontessori.com/products/mathematics/introduction-to-decimal-quantity.html Bruins] $130.00<br>
{| class="buytable sortable"
[http://www.montessorimaterials.com/products/introduction-decimal-quantity E & O] $69.00<br>
|-
[http://www.montessoriequipment.com/Introduction-to-Decimal-Quantity-with-Tray-p/m.155.1.htm IFIT] $40.00<br>
!colspan="2"|Introduction to the Beads
[https://www.kidadvance.com/introduction-to-decimal-quantity-w-trays.html Kid Advance] $35.99<br>
|-
[http://www.thematerialscompany.com/collections/bead-materials/products/intro-to-decimal-system-quantities-w-tray Materials Company of Boston] $78.00<br>
! Store !! Price
[http://www.montessoriconcepts.com/store/p95/INTRODUCTION_TO_DECIMAL_QUANTITY_W%2FTRAY_%28MA064%29.html Montessori Concepts] $53.00<br>
|-
[https://www.montessori-n-such.com/p-538-introduction-to-decimal-quantity-save-item-m6192.aspx Montessori N' Such] $31.95<br>
|[https://adenamontessori.com/ius/details.php?did=957 Adena]
[https://montessorioutlet.com/authentic-montessori/mathematics/introduction-to-decimal-quantity-w-trays.html Montessori Outlet] $54.95<br>
|$41.95
[https://www.nienhuis.com/us/en/introduction-to-decimal-quantity-individual-beads-nylon-nienhuis-montessori-usa/product/5300/ Nienhuis] $142.20 (nylon beads)<br>
|-
[https://www.nienhuis.com/us/en/introduction-to-decimal-quantity-individual-beads-glass-nienhuis-montessori-usa/product/4912/ Nienhuis] $168.20 (glass beads)<br>
|[https://www.affordmontessori.com/index.php/introduction-to-decimal-quantity.html Affordable Montessori]
[https://www.thinkamajigs.com/introduction-decimal/ Thinkamajigs] $84.95<br>
|$49.00
 
|-
'''Tray only'''<br>
|[https://www.alisonsmontessori.com/Introduction_to_Decimal_Quantity_p/pm14.a.htm Alison's]
[http://www.alisonsmontessori.com/Introduction_to_Decimal_Quantity_Tray_p/pm14.c.htm Alison's] $30.00<br>
|$93.71
 
|-
{{#widget:Affiliate
|[https://bruinsmontessori.com/products/mathematics/introduction-to-decimal-quantity.html Bruins]
|link=ServiceVersion=20070822&OneJS=1&Operation=GetAdHtml&MarketPlace=US&source=ac&ref=tf_til&ad_type=product_link&tracking_id=montessoria03-20&marketplace=amazon&region=US&placement=B0079F1OZO&asins=B0079F1OZO&linkId=4ad32f020ecb6e72a78cc0a58e56cdfe&show_border=false&link_opens_in_new_window=true&price_color=333333&title_color=0066c0&bg_color=ffffff}} {{#widget:Affiliate
|$134.00
|link=ServiceVersion=20070822&OneJS=1&Operation=GetAdHtml&MarketPlace=US&source=ac&ref=tf_til&ad_type=product_link&tracking_id=montessoria03-20&marketplace=amazon&region=US&placement=B07R9SCG6M&asins=B07R9SCG6M&linkId=59fd69d3613d1036cf99dd0057f8a346&show_border=false&link_opens_in_new_window=true&price_color=333333&title_color=0066c0&bg_color=ffffff}}
|-
|[https://usa.montessorimaterials.com/products/introduction-decimal-quantity E & O]
|$73.80
|-
|[https://www.montessoriequipment.com/Checker-Board-Beads-p/m.245.1.htm IFIT]
|$24.00
|-
|[https://www.kidadvance.com/introduction-to-decimal-quantity-w-trays.html Kid Advance]
|$42.99
|-
|[https://www.thematerialscompany.com/collections/bead-materials/products/intro-to-decimal-system-quantities-w-tray Materials Co. of Boston]
|$78.00
|-
|[http://www.montessoriconcepts.com/store/p95/INTRODUCTION_TO_DECIMAL_QUANTITY_W%2FTRAY_%28MA064%29.html Montessori Concepts]
|$53.00
|-
|[https://www.montessori-n-such.com/collections/all/products/introduction-to-decimal-quantity-save-item-m6192 Montessori n Such]
|$75.00
|-
|[https://montessorioutlet.com/authentic-montessori/mathematics/introduction-to-decimal-quantity-w-trays.html Montessori Outlet]
|$54.95
|-
|[https://www.nienhuis.com/us/en/introduction-to-decimal-quantity-individual-beads-nylon-nienhuis-montessori-usa/product/5300/ Nienhuis]<br><span class="comment">nylon beads</span>
|$146.50
|-
|[https://www.nienhuis.com/us/en/introduction-to-decimal-quantity-individual-beads-glass-nienhuis-montessori-usa/product/4912/ Nienhuis]<br><span class="comment">glass beads</span>
|$173.25
|-
|[https://www.thinkamajigs.com/introduction-decimal/ Thinkamajigs]
|$89.95
|}
</div>
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Tray only
|-
! Store !! Price
|-
|[https://www.alisonsmontessori.com/Introduction_to_Decimal_Quantity_Tray_p/pm14.c.htm Alison's]
|$40.00
|}
</div>
<div class="buyElement">
{{#widget:Affiliate|link=ServiceVersion=20070822&OneJS=1&Operation=GetAdHtml&MarketPlace=US&source=ac&ref=tf_til&ad_type=product_link&tracking_id=montessoria03-20&marketplace=amazon&region=US&placement=B0079F1OZO&asins=B0079F1OZO&linkId=4ad32f020ecb6e72a78cc0a58e56cdfe&show_border=false&link_opens_in_new_window=true&price_color=333333&title_color=0066c0&bg_color=ffffff}}
{{#widget:Affiliate|link=ServiceVersion=20070822&OneJS=1&Operation=GetAdHtml&MarketPlace=US&source=ac&ref=tf_til&ad_type=product_link&tracking_id=montessoria03-20&marketplace=amazon&region=US&placement=B07R9SCG6M&asins=B07R9SCG6M&linkId=59fd69d3613d1036cf99dd0057f8a346&show_border=false&link_opens_in_new_window=true&price_color=333333&title_color=0066c0&bg_color=ffffff}}
</div>
</div>


==Further Reading==
==Further Reading==
*Maria Montessori - ''[[The Discovery of the Child]]'', chapter 19, page 276 (Random House 1967 edition)
*[[The Discovery of the Child]] by Maria Montessori, chapter 19, page 276 (Random House 1967 edition)
*[[Basic Montessori: Learning Activities for Under-fives]] by David Gettman, pages 169-171
*[[Teaching Montessori in the Home: The School Years]] by Elizabeth G. Hainstock, pages 35-36


{{#seo:
{{#seo:

Latest revision as of 07:52, 28 January 2022

Introduction to the Beads
Math - Introduction to the Decimal System
Intro to the Beads.JPG
LevelPrimary
Age4+
PrerequisitesCards and Counters
Materials1 unit bead
1 ten bar
1 hundred square
1 thousand cube
tray

This activity is the child's introduction to the Golden Bead material. This material is a concrete representation of the decimal system.

Presentation

  1. Take the tray to a table or mat. Be sure that the thousand cube is on the left and the unit bead is on the right.
    Intro to the Beads 1.JPG
  2. Take out the unit bead. Place it to the right of the mat. "This is one. We also call it a unit."
    Intro to the Beads 2.JPG
  3. Take out the ten bar. Place it vertically to the left of the unit. "This is ten."
    Intro to the Beads 3.JPG
  4. Take the unit bead and count over the units in the ten bar. "Let's see how many unit beads there are in a ten. One, two, three... There are ten units in a ten.”
    Intro to the Beads 4.JPG
  5. Take out the hundred square, place it to the left of the ten bar, with the wires vertical. "This is a hundred."
    Intro to the Beads 5.JPG
  6. Using the ten bar, count over the tens in the hundred square. "Let's see how many tens there are in a hundred. One ten, two tens, three tens... There are ten tens in a hundred."
    Intro to the Beads 6.JPG
  7. Take out the thousand cube, place it to the left of the hundred square with the wires vertical to the mat. "This is a thousand."
    Intro to the Beads 7.JPG
  8. Take the hundred square and count the hundreds in the thousand cube. Go from bottom to top. "Let's see how many hundreds there are in a thousand. One hundred, two hundreds, three hundreds... There are ten hundreds in a thousand."
    Intro to the Beads 8.JPG
  9. Lay out all of the beads and name them one more time.
  10. Do a three period lesson.

Points of Interest

  • The large place values can be exciting to children.
  • Seeing how heavy the thousand is.

Control of Error

  • The directress' and the child’s own knowledge

Variations and Extensions

At the elementary level you can introduce the decimal cards at the same time.

Material

- A tray containing 1 golden bead unit, 1 golden ten-bar, 1 golden hundred square and 1 thousand cube. - A small mat for the table.

Where to Buy

Prices and links checked: 23 January 2022
(Amazon/Bookshop are affiliate links, which help cover costs of running the site.)

Introduction to the Beads
Store Price
Adena $41.95
Affordable Montessori $49.00
Alison's $93.71
Bruins $134.00
E & O $73.80
IFIT $24.00
Kid Advance $42.99
Materials Co. of Boston $78.00
Montessori Concepts $53.00
Montessori n Such $75.00
Montessori Outlet $54.95
Nienhuis
nylon beads 		$146.50
Nienhuis
glass beads 		$173.25
Thinkamajigs $89.95
Tray only
Store Price
Alison's $40.00

Further Reading


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