2) 3. a) Work with a partner and answer the following questions: 1) When was the first ruler invented? a) More than 500 years ago. b) More than 1500 years ago. c) More than 2500 years ago. 2) Who invented the first quality pencil? a) A soldier. b) A writer. c) An artist. 3) Why was the round pencil invented? a) To help writers. b) To help carpenters. c) To help artists.​