Boofus Quiz-O-Rama| Three-Digit Addition and Adding 10

Boofus Quiz-O-Rama - Adding 10 to three-digit numbers is an awesome game to help your child practice number sense and place value. Go for a new high score every time you play!

Common Core Math Standards

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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