Algebra teacher Mrs. Franklin provides rules and tips for adding and subtracting real numbers. She demonstrates solving problems that include real numbers with like and unlike signs.

Originally released by Smith Productions, 2010. Streaming video file encoded with permission for digital streaming by Infobase on March 28, 2019.

Adding and Subtracting Real Numbers (3:08); --Adding Real Numbers Introduction (11:58); -- Subtracting Real Numbers Introduction (9:21); -- Teacher Interview (2:29); -- Credits: Adding and Subtracting Real Numbers (0:38); .