CCSS.Math.Content.2.NBT.B.8 2nd Grade
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900. Online practice for CCSS.Math.Content.2.NBT.B.8 and printable worksheet.
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900. Online practice for CCSS.Math.Content.2.NBT.B.8 and printable worksheet.