Tessellations provide an opportunity to incorporate a variety of geometric topics in one unit, allowing students to review shapes and focus on relationships among them. Three activities are described, with illustrations. (MNS)

Presents a unit developed by the 1991 Oregon Mathematics Teachers of Middle School project in which students investigate the average temperature, precipitation, and snowfall in their town using spreadsheets and graphing packages. Students compare the averages over a period of 30 years to a particular year. (MDH)

Describes a unit designed to integrate mathematics with other curriculum areas by drawing on real-life situations. This unit incorporates nutrition, calculators, and graphing skills to classify items from a grocery receipt and represent the amounts of money spent on each category in different graphs. (MDH)