Teaching by learning activities is contrasted with teaching by objectives. Four types of learning activities are identified. (JT)

A series of activities that focus on the process of measuring are presented. The material is designed to help children develop a concept of measurement by leading them through the processes used in establishing formal measurement systems over the centuries. (MP)

A review of several studies on the role of concrete and symbolic models in facilitating the learning of mathematical ideas, and a discussion of their implications for instruction are presented. (DT)

The importance of teaching students to communicate mathematically is discussed. Examined are ways to develop this skill. Activities and open-ended questions are included. The use of physical materials, cooperative groups, listening skills, and writing are stressed. (KR)

This article suggests that the choice of instructional materials be guided by children's needs. (MM)

A game similar to the television game "Concentration" can be effectively used for drill on computation such as equivalence of fractions. (SD)

Children at many levels enjoy using spinners to explore probabilities and practice predicting, tabulating and graphing outcomes, and observing results. Directions for making spinners, descriptions of several activities, and sample worksheets are provided. (SD)

Multiple embodiment is explained and discussed, with activities described that might be used to develop concepts in geometry and in arithmetic. A series of questions is raised about the choice, use, and organization of embodiments; suggestions for action research are made. (DT)

Several activities designed to help elementary level students learn how to read calendars are presented. Problem solving and experiential learning are stressed. (MP)