Welcome to Math Quiz #9681

Mentally add 100 to or subtract 100 from a number between 100 and 900

There are 10 problems in this quiz which support the following standard:

CCSS.Math.Content.2.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.

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