Crossword Puzzle Arithmetic task

Clue: Arithmetic task

Does a greenskeeper's task (AERATES with 7 letters)
Apply oneself to a task (KNUCKLEDOWN with 11 letters)
Approach to arithmetic that emphasizes underlying ideas rather than exact calculations (FUZZYMATH with 9 letters)
Tug task (TOW with 3 letters)
Arithmetic for Rooney (EXES with 4 letters)
Gumshoe's task (CHERCHEZLAFEMME with 15 letters)
Movie double's task (STUNT with 5 letters)
Kind of list with tasks (TODO with 4 letters)
Onerous task (CHORE with 5 letters)
Post-Election Day arithmetic (RETURNS with 7 letters)