Uses a graphing calculator to demonstrate that dividing by a fraction is the same as multiplying by the reciprocal. Students graph a division problem and an equivalent problem, multiplying by the reciprocal. They find that the graphs are the same. (SKS)

This annual supplement discusses issues related to reference books and the publishing industry. Highlights include producing reference books for the library market; a bibliography of over 1000 titles organized by categories and indicating appropriate grade levels; a descriptive list of library distributors; a publisher's index; and a list of the…

Uses base-ten manipulative pieces to illustrate divisibility tests with single-digit divisors. (YDS)

Uses interviews with 72 pupils in grades 2-6 to investigate awareness of the relation between situation and computation in simple quotitive and partitive division problems as informally and formally experienced. Concludes that formal division, understood as related to everyday situations, only depends in interplay with informal knowledge.…

Describes a lesson on long division using chip trading which follows that algorithm for long division. (MKR)

Explores secondary school students' conceptions of division by zero. A substantial number of the participating secondary school students argued that division by zero results in a number, and concrete arguments were generally regarded as valid for justifying the impossibility of division by zero. (Contains 30 references.) (Author/ASK)

Approaches the development of the algorithm from a holistic, spiraling perspective in which students can avoid many of the common mistakes and misunderstandings associated with long division. (CCM)

Background/Context: The question of the influence of Comprehensive School Reform (CSR) on achievement is an important one because many policy makers use achievement scores as the measure of success for schools, classrooms, and students. Research has demonstrated that high-poverty schools have less experienced teachers and access to fewer resources…

Each day in America, millions of kids go home to an empty house after school. In recent years, the growth of quality, affordable afterschool programs--programs that keep kids safe, inspire learning and help working families--has begun to offer parents of these children positive alternatives. Over the past five years, afterschool programs have…

This curriculum unit teaches students about the basic physical and political geography of Europe and introduces or reviews fundamental geographical concepts and vocabulary in a European context. The unit offers a geographic introduction to the changing map of Europe. Each of the unit's five lessons can be integrated into the curriculum where it…

Examines the importance and the various uses of the geographic concept of regions. Discusses the intersection between geography and such social and political phenomenon as the establishment of large nation states and the splintering of states into smaller units. Briefly describes several recent conflicts in geographic terms. (MJP)

Discusses the five fundamental themes of geography. Describes the relationship between them and traditional geographic concepts. Merges themes and concepts to include location (position on Earth's surface), place (physical and human characteristics), relationships within places (human and environment), movement (humans interacting with the earth),…