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Standards/Math/Northern Mariana Islands/2.NBT.B.8

2.NBT.B.8

2.NBT.B Use place value understanding and properties of operations to add and subtract.
2.NBT.B.5
2.NBT.B.6
2.NBT.B.7
2.NBT.B.8
2.NBT.B.9

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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