Identifies and describes three steps where connections between written symbols and understandings can be made: (1) developing meaning for symbols; (2) developing meaning for rules; and (3) checking the reasonableness of solutions. (YP)

Activities that illustrate a problem-solving approach to teaching grouping symbols, such as parentheses and brackets, are described. Suggested exercises, answers to those exercises, and variations of this activity are included. (KR)

Listed are three activities that illustrate using a spreadsheet as a problem-solving tool and for developing an understanding of relationships between variables. Each activity includes objective, procedure, example spreadsheet, and extra challenges. (KR)