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Common Core: Standard
Common Core: ELA
Common Core: Math
CCLS - Math: 2.NBT.8
- Number And Operations In Base Ten
- Use Place Value Understanding And Properties Of Operations To Add And Subtract.
- State Standard:
- Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
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