St. Patrick's Day Printouts and Worksheets - 2ndgradeworksheets Students determine correct forms of plural nouns. Synonyms and Antonyms Students determine if word pairs are antoyms or synonyms. Three Digit Addition Without Regrouping Two Digit Addition Without Regrouping Two Digit Subtraction Without Regrouping Two Digit Subtraction With Regrouping Tic Tac Toe Paper