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| Description: |
This STAIR helps to reinforce 2 digit subtraction with and with out regrouping. |
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| Keywords: |
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digit, 2, subtraction
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| More information about this material: |
Primary Audience:
Grade School,
College General Ed
Mobile Compatibility:
Not specified at this time
Language:
English
Cost Involved:
unsure
Source Code Available:
unsure
Accessiblity Information Available:
unsure
Copyright:
unsure
Creative Commons:
unsure
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About this material: |
Peer Reviews (not reviewed)
Workflow status (accepted for review)
Comments (2)avg: 
Learning Exercises (none)
Personal Collections (none)
Accessibility Info (none)
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