Single Digit Addition -- Numbers that add to 10 (A) Welcome to The Single Digit Addition -- Numbers that add to 10 (A) Math Worksheet from the Addition Worksheets Page at Math-Drills.com. This math worksheet was created on 2010-09-28 and has been viewed 63 times this week and 84 times this month. It may be printed, downloaded or saved and used in your classroom, home school, or other educational environment to help someone learn math.