Two articles discuss elementary school mathematics. One focuses on data collection, suggesting a children's counting book, "How Many Feet in the Bed?", to initiate several possible problems. The other offers a measuring activity for finding average heights and a survey activity to determine the characteristics of an average student. (SM)

Describes two software programs for the Apple II series and TRS-80 Models III and IV: (1) "Personal Energy Inventory" (grades 9-12, records and manages data, not considered user friendly); (2) "Energy Conservation" (grades 7-12, aids in converting and problem solving, uses drill and practice). (MVL)