Subtraction With the Stamp Game: Difference between revisions
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=== Static Subtraction === | === Static Subtraction === | ||
# Take the material to a table. No divider line is needed for subtraction. | # Take the material to a table. No divider line is needed for subtraction. | ||
#:[[File:SG SS 1.JPG|280px | #:[[File:SG SS 1.JPG|280px]] | ||
# Write out the problem. | # Write out the problem. | ||
#:[[File:SG SS 2.JPG|280px | #:[[File:SG SS 2.JPG|280px]] | ||
# Lay out the stamps for the first number (the minuend). | # Lay out the stamps for the first number (the minuend). | ||
#:[[File:SG SS 3.JPG|280px | #:[[File:SG SS 3.JPG|280px]] | ||
# 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. | # 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]] | ||
#:[[File:SG SS 8.JPG|280px]] | |||
=== Dynamic Subtraction === | === Dynamic Subtraction === |
Revision as of 20:16, 10 November 2013
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
Printables:
Stamp Game tiles in color | Stamp Game tiles in black and white | Math Problem Paper |
Where to Buy
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