Subtraction With the Stamp Game: Difference between revisions
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== Presentations == | == Presentations == | ||
=== Static Subtraction === | === Static Subtraction === | ||
# | # Take the material to a table. No divider line is needed for subtraction. | ||
#:[[File:SG SS 1.JPG|280px|center]] | #:[[File:SG SS 1.JPG|280px|center]] | ||
# | # Write out the problem. | ||
#:[[File:SG SS 2.JPG|280px|center]] | #:[[File:SG SS 2.JPG|280px|center]] | ||
# | # Lay out the stamps for the first number (the minuend). | ||
#:[[File:SG SS 3.JPG|280px|center]] | #:[[File:SG SS 3.JPG|280px|center]] | ||
# | # 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]] | ||
<br>[[File:SG SS 8.JPG|280px|center]] | |||
=== Dynamic Subtraction === | === Dynamic Subtraction === | ||
# step one | # step one | ||
Revision as of 19:24, 30 September 2013
| Subtraction With the Stamp Game | |
|---|---|
| Math - Arithmetical Operations | |
 | |
| Level | Primary |
| Age | 5+ |
| Prerequisites | Understanding of Decimal System |
| Materials | Stamp 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
- Take the material to a table. No divider line is needed for subtraction.
- Write out the problem.
- Lay out the stamps for the first number (the minuend).
- 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.
Dynamic Subtraction
- step one
- step two, etc.
Points of Interest
Control of Error
Variations and Extensions
Material
- Printable Stamp Game tiles in color
- Printable Stamp Game tiles in black and white
- Printable Math Problem Paper
Where to Buy
Absorbent Montessori $42.99
Adena $37.10
Affordable Montessori $29.00
Albanesi $142.00
Alison's $35.00
Bruins $89.00
Cabdev $62.00
Caliber $19.99
E & O $89.00
ETC Montessori $89.00
Grandpas $22.00
IFIT $20.00
Juliana Group $131.60
Jump Start $34.95
Kid Advance $24.99
Material Company of Boston $78.00
Montessori Buy $26.70
Montessori Concepts $22.75
Montessori Land $36.00
Montessori N' Such $50.00
Montessori Outlet $26.95
Montessori Stores $98.00
Nienhuis $97.70
