Despite increasing college enrollment and growing diversity of the college student population, college completion rates are low. Many colleges are exploring ways to leverage technology to improve student retention and increase the educational options for and success of their diverse student bodies. Web-based course or learning management systems…

In the Spring of 2020, most educational institutions are rapidly having to convert to online education. Suddenly, instructors are no longer in the same physical space as their students. Separated from their students and colleagues, they are having to adjust their teaching approach rapidly, and are most likely learning as they go. This ubiquitous…

Counterfeiting and adulteration of prescription drugs, herbal products, and food supplements are a global challenge, causing serious economic loss to drug marketers and health implications for humans. Accordingly, accurate determination of the purity of pharmaceuticals is critical for the quality assurance of prescription drugs. Herein, the first…

Linear programming (LP) is an application of graphing linear systems that appears in many Algebra 2 textbooks. Although not explicitly mentioned in the Common Core State Standards for Mathematics, linear programming blends seamlessly into modeling with mathematics, the fourth Standard for Mathematical Practice (CCSSI 2010, p. 7). In solving a…

This analysis of a problem that is frequently posed at professional development workshops, in print, and on the Web--the coffee-milk mixture riddle--illustrates the timeless advice of George Pólya's masterpiece on problem solving in mathematics, "How to Solve It." In his book, Pólya recommends that problems previously solved and put…

In today's complex world, there is a continued demand for recently graduated forensic chemists (criminalists) who have some background in forensic experimental techniques. This article describes modern forensic experimental approaches designed and implemented from a unique instructional perspective to present certain facets of crime scene…

We introduce a class of second-order ordinary differential equations (ODEs) with variable coefficients whose closed-form solutions can be obtained by the same method used to solve ODEs with constant coefficients. General solutions for the homogeneous case are discussed.

An astronomy "experiment" composed of three parts is described in the article. Being given necessary data a simple model of inner planets of the solar system is made in the first part with planets' circular orbits using appropriate scale. In the second part revolution of the figurines used as model representations of the planets along…

Mathematical games are widely used in the primary classroom; however, not all games are equally valuable. How might teachers decide which specific games to introduce? The authors present five principles of educationally-rich games to help teachers address this issue. In so doing, they provide teachers with a usable framework to stimulate…

Skilled collaborative leaders are in high demand in schools, school systems, and districts worldwide. The success of schools as learning organizations hinges on how well people can work together as they seek to build collective capacity and problem solve to improve student outcomes. Collaborative learning has now emerged as the vital strategy for…

The article examines how a high school teacher designed an honors precalculus blended-learning class in North Carolina. By making videos of precalculus lectures where she had students watch during their days off from the class, the teacher was able to have her students work on problem solving and inquiry-based activities in groups when in-class.…

Together with Teach to Lead, a project guided by teacher leaders at the U.S. Department of Education and ASCD, we took a look at the first-ever family engagement summit, which provided a structured model for actively engaging families alongside educators, administrators, and community partners. This report highlights the voices of summit…

To gain insight into complex sustainability problems and acknowledge complexity is essential and can be achieved by creating an overview of the entire system, including interaction between variables. Therefore, systems thinking is recognized as a vital cognitive skill required to grasp complex global problems. Nevertheless, the implementation of…

The purpose of this article is to provide an example of using real world issues as tools for science teaching and learning. Using real world issues provides students with experiences in learning in problem-based environments and encourages them to apply their content knowledge to solving current and local problems.

Many principal supervisors in the United States work in relative isolation and experience no professional development designed to support them. Over the past four years, the role of principal supervisor in Long Beach Unified School District in California has shifted from compliance and at-a-distance supervision practices to a deeply rooted…