Includes lesson plans and worksheets that deal with transformational geometry, specifically reflections. The lesson for grades three to four focuses on angles of incidence and reflection and that for grades five to six involves mirror images. (MKR)

Presents lessons and reproducible student worksheets for grades three to four and grades five to six to investigate large numbers and comprehend their magnitude. (MKR)

These activities invite students to use mathematics to explore interesting facts about famous buildings. The investigation for grades three to four focuses on the SkyDome, a sports arena in Toronto, Canada, and the investigation for grades five to six discusses the Empire State Building in New York City. Includes reproducible student worksheets.…

Describes a one-week lesson in which gummy-bears candy was used to illustrate sampling procedures and to generate discussion and questions. Reports data results and students' reactions to problems of representation after holding an election. (MKR)

Presents two mathematics activities using the theme of school lunch menus and healthful eating habits to reinforce making predictions using computational skills. Includes reproducible student worksheets. (MKR)

Describes data analysis activities for grades three through six using unshelled peanuts. Includes two reproducible student worksheets. (MKR)

Presents activities using three-dimensional geometry to develop spatial skills. Includes reproducible student worksheets. (MKR)

Discusses using what students already know about taking away objects when teaching subtraction and gives six lessons to develop language for discussing and recording subtraction situations that give meaning to the subtraction algorithm. (MKR)

This month's investigations deal with patterns and the importance of looking at data from more than a single perspective. The investigations focus upon ordering animals in some way. Includes reproducible student worksheets. (MKR)

Explores how teachers and parents who currently use worksheets might do so in more meaningful and creative ways, including children creating worksheets, storytelling, and role playing. (MKR)

Presents activities focusing on the use of visual perspectivity. Includes reproducible student worksheets. (MKR)