Dividing Decimals St. Patrick’s Day digital worksheet 4th grade math challenge grade 4 St. Patrick’s Day themed math digital game dividing decimals decimal division digital worksheets error analysis. Make practicing decimals engaging and interactive this St. Patrick’s Day with the Shamrock or Shenanigans Digital Math Game! In this fun, game-style activity, students work through Grade 4 decimal division problems and decide whether each completed problem is a Shamrock (correct) or Shenanigans