Variations on familiar games which can be used to motivate mathematics learning are described. (SD)

Several activities in which students use geometric shapes and their shadows to study geometric concepts are described. (SD)

Describes activities which involve a four-step approach for using manipulative materials to develop some fundamental concepts in probability and statistics while using ideas about fractions, ratios, proportion, and percentages as an integral part of problem-solving investigations. Steps include introducing the model, establishing a recording…

Diverse activities using large blocks are described. By building and comparing configurations children can be led from concepts like long and high to concept of ratio. Games and activities to help build other concepts are also described. (SD)

Activities in which students make models of a variety of geometric solids are described. (SD)

Advice concerning setting up a center for materials related to the metric system is offered. (SD)

Many concepts can be introduced informally through activities. Among those which can be investigated using easily-made 10-by-10 pegboards are geometric shapes, coordinate systems, grouping and regrouping, and addition of two-place numbers. (SD)