Subtraction With the Stamp Game: Difference between revisions

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== Presentations ==
== Presentations ==
=== Static Subtraction ===
=== Static Subtraction ===
# step one
# Take the material to a table.  No divider line is needed for subtraction.
#:[[File:SG SS 1.JPG|220px|center]]
#:[[File:SG SS 1.JPG|280px]]
# step two
# Write out the problem.
#:[[File:SG SS 2.JPG|320px|center]]
#:[[File:SG SS 2.JPG|280px]]
# step three
# Lay out the stamps for the first number (the minuend).
#:[[File:SG SS 3.JPG|220px|center]]
#:[[File:SG SS 3.JPG|280px]]
# step four
# Slide down the unit stamps for the second number (the subtrahend). Record the amount of unit stamps still left at the top. <br> Then do the same for the tens, then the hundreds, then the thousands.
#:[[File:SG SS 4.JPG|220px]] [[File:SG SS 5.JPG|220px]] [[File:SG SS 6.JPG|220px]] [[File:SG SS 7.JPG|220px]]
#:[[File:SG SS 4.JPG|220px]] [[File:SG SS 5.JPG|220px]] [[File:SG SS 6.JPG|220px]] [[File:SG SS 7.JPG|220px]]
# step five
#:[[File:SG SS 8.JPG|280px]]
#:[[File:SG SS 8.JPG|320px|center]]
 
=== Dynamic Subtraction ===
=== Dynamic Subtraction ===
# step one
# step one
Line 32: Line 32:


== Material ==
== Material ==
*[[Media:Stamp Game color.pdf | Printable Stamp Game tiles in color]]  
A standard stamp game set includes 81 unit stamps, 81 ten stamps, 81 hundred stamps, 18 thousand stamps, 9 unit skittles, 9 ten skittles, 9 hundred skittles, 1 thousand skittle, 9 green circles, 9 blue circles, and 9 red circles.
*[[Media:Stamp Game black & white.pdf | Printable Stamp Game tiles in black and white]]
===Make Your Own===
*[[Media:Math Paper.pdf | Printable Math Problem Paper]]
{|
|width="150"|[[Image:Stamp Game color pdf icon.jpg|link=http://montessorialbum.com/montessori/images/a/a9/Stamp_Game_color.pdf|140 px|center]]
|width="150"|[[Image:Stamp Game black & white pdf icon.jpg|link=http://montessorialbum.com/montessori/images/5/59/Stamp_Game_black_%26_white.pdf|140 px|center]]
|width="150"|[[Image:Math Paper pdf icon.jpg|link=http://montessorialbum.com/montessori/images/5/50/Math_Paper.pdf|140 px|center]]
|-
|valign="top" align="center"|[[Media:Stamp Game color.pdf | Stamp Game tiles in color]]
|valign="top" align="center"|[[Media:Stamp Game black & white.pdf | Stamp Game tiles in black and white]]
|valign="top" align="center"|[[Media:Math Paper.pdf | Math Problem Paper]]
|}
 
*[https://www.thingiverse.com/thing:4289703 Free 3D printing pattern on Thingiverse]
*[https://www.thingiverse.com/thing:4292835 Another Free 3D printing pattern on Thingiverse]
 
===Where to Buy===
[[Category:Where to Buy]]
Prices and links checked: 23 January 2022
<br>(Amazon/Bookshop are affiliate links, which help cover costs of running the site.)
<div class="buyGrid">
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Introduction to the Stamp Game
|-
! Store !! Price
|-
|[https://www.adenamontessori.com/ius/details.php?did=44 Adena]
|$28.92
|-
|[https://www.affordmontessori.com/index.php/stamp-game.html Affordable Montessori]
|$33.00
|-
|[https://www.alisonsmontessori.com/Stamp_Game_p/m28.htm Alison's]
|$38.58
|-
|[https://bruinsmontessori.com/products/mathematics/stamp-game-acrylic-tiles.html Bruins]
|$91.00
|-
|[https://usa.montessorimaterials.com/products/stamp-game E & O]
|$44.10
|-
|[https://www.montessoriequipment.com/IFIT-Montessori-Stamp-Game-p/m.233.2.htm IFIT]
|$24.00
|-
|[https://www.kidadvance.com/stamp-game.html Kid Advance]
|$31.99
|-
|[https://www.thematerialscompany.com/collections/mathematics/products/stamp-exercise-complete-with-box Material Company of Boston]
|$48.00
|-
|[https://montessorioutlet.com/stamp-game.html Montessori Outlet]
|$32.95
|-
|[https://www.nienhuis.com/us/en/stamp-game-nienhuis-montessori-usa/product/4779/ Nienhuis]
|$99.10
|-
|[https://www.thinkamajigs.com/stamp-game/ Thinkamajigs]
|$33.95
|}
</div>
<div class="buyElement">
{| class="buytable sortable"
|-
!colspan="2"|Decimal Stamp Game Sets
|-
! Store !! Price
|-
|[https://www.alisonsmontessori.com/Decimal_Stamp_Game_p/m38.htm Alison's]
|$47.12
|-
|[https://montessorioutlet.com/decimal-stamp-game.html Montessori Outlet]
|$29.95
|-
|[https://www.nienhuis.com/us/en/decimal-stamp-game-nienhuis-montessori-usa/product/5001/ Nienhuis]
|$102.75
|}
</div>
<div class="buyElement">
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{{#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=B0070XZ0C8&asins=B0070XZ0C8&linkId=373d3843cebecba0d91811dc0cdd51b0&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=B0743H4CNJ&asins=B0743H4CNJ&linkId=7f08af6773fc622bc24a0bd3dd3697d5&show_border=false&link_opens_in_new_window=true&price_color=333333&title_color=0066c0&bg_color=ffffff}}
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{{#seo:
|keywords=Montessori Album,lesson,activity,math,Arithmetical Operations,Subtraction With the Stamp Game
|description=This activity teaches the child to do subtraction problems at a higher level of abstraction.
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Latest revision as of 19:58, 26 January 2022

Subtraction With the Stamp Game
Math - Arithmetical Operations
SG SS 9.JPG
LevelPrimary
Age5+
PrerequisitesUnderstanding of Decimal System
MaterialsStamp Game Box
pencil
green pencil
blue pencil
red pencil

This activity teaches the child to do subtraction problems at a higher level of abstraction.

Presentations

Static Subtraction

  1. Take the material to a table. No divider line is needed for subtraction.
    SG SS 1.JPG
  2. Write out the problem.
    SG SS 2.JPG
  3. Lay out the stamps for the first number (the minuend).
    SG SS 3.JPG
  4. Slide down the unit stamps for the second number (the subtrahend). Record the amount of unit stamps still left at the top.
    Then do the same for the tens, then the hundreds, then the thousands.
    SG SS 4.JPG SG SS 5.JPG SG SS 6.JPG SG SS 7.JPG
    SG SS 8.JPG

Dynamic Subtraction

  1. step one
  2. step two, etc.

Points of Interest

Control of Error

Variations and Extensions

Material

A standard stamp game set includes 81 unit stamps, 81 ten stamps, 81 hundred stamps, 18 thousand stamps, 9 unit skittles, 9 ten skittles, 9 hundred skittles, 1 thousand skittle, 9 green circles, 9 blue circles, and 9 red circles.

Make Your Own

Stamp Game color pdf icon.jpg
Stamp Game black & white pdf icon.jpg
Math Paper pdf icon.jpg
Stamp Game tiles in color Stamp Game tiles in black and white Math Problem Paper

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 Stamp Game
Store Price
Adena $28.92
Affordable Montessori $33.00
Alison's $38.58
Bruins $91.00
E & O $44.10
IFIT $24.00
Kid Advance $31.99
Material Company of Boston $48.00
Montessori Outlet $32.95
Nienhuis $99.10
Thinkamajigs $33.95
Decimal Stamp Game Sets
Store Price
Alison's $47.12
Montessori Outlet $29.95
Nienhuis $102.75

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