Welcome to Math Quiz #9042
Mentally add 10 to or subtract 10 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.
This page can be found quickly using this link: http://i4c.xyz/ybd5t83a
Press "Start" to begin.