Our 1-Digit Addition (Adding with Zero to Nine) Worksheets created based on Math Facts. Worksheet can be printed, downloaded or saved (Clicking Printer Image) and used in your classroom, home school, or other educational environment to learn math. Adding with Zero ❮ Prev Next ❯ 1 2 3 Adding with One ❮ Prev Next ❯ 1 2 3 Adding with Two ❮ Prev Next ❯ 1 2 3 Adding with Three ❮ Prev Next ❯ 1 2 3 Adding with Four ❮ Prev Next ❯ 1 2 3 Adding with Five ❮ Prev Next ❯ 1 2 3 Adding with Six ❮ Prev Next ❯ 1 2 3 Adding with Seven ❮ Prev Next ❯ 1 2 3 Adding with Eight ❮ Prev Next ❯ 1 2 3 Adding with Nine ❮ Prev Next ❯ 1 2 3