Three worksheets are provided; the aim is to develop skill in visualization of the cube from two-dimensional patterns. (DT)

A classification scheme provides for discussion of manipulative devices by type as well as individually. Characteristics of good devices, general guidelines for uses, and means of evaluation are given. Besides specific examples, there is a listing of commercial sources and a selected bibliography. (LS)

Directions are given for seven activities involving the folding of paper strips to illustrate geometric concepts. Properties of pentagons, triangles, hexagons, and Mobius bands resulting from the various foldings are discussed. (DT)

The construction and use of bean sticks, an easily produced and inexpensive manipulative material, is promoted. Activities and games designed to teach place value and related mathematical concepts are also presented. (MP)

Many learning activities designed to make metric measurement meaningful to children are described. The manufacture and use of play dough is featured. Several simple recipes for preparing dough are included. (MP)

The game "Order Out", which uses manipulative and pictorial aids, is effective in teaching the ordering of common fractions. The use of manipulative or pictorial aids during instruction did not significantly affect achievement. Gender-related achievement trends were observed. (CJ)

Learning activities based on a geometrical puzzle that consists of rearranging triangles and trapezoids are used to teach concepts involving area. (MP)

Manipulative materials designed to instruct pupils on fractions are presented. The use of unit holders in teaching fundamental concepts of fractions and equivalent fractions are reviewed. (MP)

Offers three simple strategies for storing and managing hands-on learning materials in the classroom. The strategies include a checklist of storage solutions for the materials, a description of creative hands-on learning centers, and a list of strategies for managing students' use of hands-on materials. (SM)

The principal of a grade 3-5 intermediate school explains how he gained teacher acceptance of a new mathematics curriculum and instructional methods meeting National Council of Teachers of Mathematics standards. To raise students' mastery scores, the principal worked with teachers from each grade to reexamine present practices, develop and test…

Describes activities that use geoboards to explore properties of polygons such as the relationship between a polygon's number of sides and the sum of its interior angles. Describes a generalized method for constructing any Pythagorean triangle. (DDR)

Describes the use of manipulatives to teach the fundamental concept of limiting factors and presents a series of questions that can be used to test whether students are harboring some of the most common misconceptions about limiting factors. Includes applications to discussions of cultural eutrophication and vegetarianism. (JRH)

Activities which can be used to explore arrangements of five-sided polygons to cover a plane with no spaces are suggested. Sample tessellations are provided. Instructional methods involving this concept are discussed. (CW)