Illustrates how many key algebraic concepts can be informally developed within the number and operations strand taught in the primary grades. Discusses expressions and equations, properties and conventions, relationships between operations, and variables from this perspective. (ASK)

Describes establishing and running a credit union in a sixth-grade classroom. By establishing a classroom credit union, students can develop independence in solving real problems and model situations that occur in the real world to solve similar problems. (ASK)

Presents two games that provide practice with equivalent fractions, that were produced at three levels of difficulty, Level 1 being the simplest. Also describes another game for practice in solving simple linear equations. Appendices contain examples of materials used in the games. (ASK)

Presents three number games for mathematics classrooms designed to improve the learning of number concepts. Game topics include determining products, arranging mathematical signs, and factoring. (ASK)

Presents a list of resources including books, commercial games, software, and Web addresses for games and puzzles in the area of mathematics instruction. (ASK)

Presents a trigonometry problem concerning control of the entry of sunlight through a window. (ASK)

Presents a daily group activity of writing equations to assess children's mathematical thinking and progress on a regular basis. Argues that this approach is one way to foster a close relationship between instructional activities and ongoing assessment. (ASK)

Presents suggestions to increase familiarization with the topic index of the "College Mathematics Journal" and points out some ways in which instructors can profit from this information to supplement textbooks. Examples are given of ideas for class enrichment, student exploration, and application. (DDR)

Discusses the value of introducing students to problems that lend themselves to long-term, in-depth analysis at different levels of intellectual accomplishment. Focuses on one such problem in detail. (DDR)

Describes an activity in which students examine bicycle chain-rings, cogs, and gear ratios as a means of exploring algebraic relationships, data collection, scatter plots, and lines of best fit. (KHR)

Presents weekly activities that focus on strategies derived from generalizations and patterns found in explorations using hundreds charts, manipulatives, and other models. (KHR)

Presents activities to find Pythagorean triples using the TI-83, a graphing calculator. (KHR)

Presents a project that addresses several components of the Algebra and Communication Standards for Grades 9-12 presented in Principles and Standards for School Mathematics (NCTM, 2000). Describes doing mathematical modeling and using the language of mathematics to express a recursive relationship in the perimeter and area of the Koch snowflake.…

Presents activities designed to introduce a mathematical idea having several applications for determining the optimal location for a radio station's transmitter and the best locations for a fire station. Includes student worksheets and solutions. (KHR)

Presents a geometric problem and illustrates four different ways to solve it: (1) a synthetic approach; (2) a coordinate approach; (3) a vector approach; and (4) a transformation approach. (KHR)