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Adding and Subtracting Mentally

Eight sections of math problems help little ones build up their mental math abilities. For the first six sections, there are three individual problems that build up adding related ones, tens, and then hundreds. This is a wonderful progressive activity for practicing Common Core skills.

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CCSS: Adaptable
Resource Details

1st - 3rd
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Resource Types
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Instructional Strategy
Skills Practice
Usage Permissions
Fine Print
Common Core