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Common Core: Standard

Common Core: ELA

Common Core: Math

CCLS - Math: 2.NBT.8

Category
Number And Operations In Base Ten
Sub-Category
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.