Subtraction With the Stamp Game: Difference between revisions
From Montessori Album
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*[https://www.thingiverse.com/thing:4289703 Free 3D printing pattern on | *[https://www.thingiverse.com/thing:4289703 Free 3D printing pattern on Thingiverse] | ||
*[https://www.thingiverse.com/thing:4292835 Another Free 3D printing pattern on | *[https://www.thingiverse.com/thing:4292835 Another Free 3D printing pattern on Thingiverse] | ||
===Where to Buy=== <!-- PRICES UPDATED NOV 16, 2014 --> | ===Where to Buy=== <!-- PRICES UPDATED NOV 16, 2014 --> |
Revision as of 14:12, 28 April 2020
Subtraction With the Stamp Game | |
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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
Make Your Own
Stamp Game tiles in color | Stamp Game tiles in black and white | Math Problem Paper |
Where to Buy
Absorbent Montessori $47.00
Adena $18.87
Affordable Montessori $29.00
Albanesi $142.00
Alison's $35.00
Bruins $89.00
E & O $48.00
ETC Montessori $89.00
IFIT $25.00
Material Company of Boston $78.00
Mindset $113.66
Mindset $44.46
Montessori Concepts $22.00
Montessori N' Such $50.00
Montessori Outlet $26.95
Montessori Stores $98.00
Nienhuis $97.70
Thinkamajigs $31.95