Boofus Quiz-O-Rama | Adding 10 and 100

Boofus Quiz-O-Rama - Adding 10 and 100 to three-digit numbers will help your child to develop number sense and understand place value. Click on the correct answers to get the highest score!

Common Core Standards

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.