======MA 02.NBT.B.8 ======


====Standard:====
MA 02.NBT.B.8   Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900. 

====Standard Unpacked:====
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

==== Lesson Plans: ====




==== Resources: ====
Good Projects here: Illustrative Mathematics https://www.illustrativemathematics.org/content-standards/2


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