561 DeMoivre's Theorem: Powers of Complex Numbers Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 11–Postsecondary Professional Commentary: Taken from the archives of Ask Dr. Math, these questions from students and answers from an expert team consider various aspects of DeMoivre's theorem.... 562 Dave's Short Trig Course Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 9–12 Professional Commentary: This resource introduces the basic concepts of trigonometry in a tutorial format. Using a conversational tone and ample illustrations and applets, the author begins with background information on similar triangles and angle measurement, then carefully develops the trigonometric functions and their inverses, the trigonometric identities, and various applications, such as solving right and oblique triangles.... 563 The Top Twenty: A Quick Guide to Troubleshooting Your Writing Resource Type: Content Resource Discipline: English Language Arts Ohio Standards Alignment: Grades 9–Postsecondary Professional Commentary: This content resource is taken from the pre-publication version of the Bedford/St. Martin's Handbook (sixth edition).... Projects: Writing 6-12 Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 11–12 Professional Commentary: This site offers interactive explorations using Geometer's Sketchpad (a link to a free demo version is provided), as well as static pictures of vector models. Both are intended as supplementary material to help students in their first encounter with vectors.... 565 Lines and Slope: Chameleon Graphing Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 6–9 Professional Commentary: This site uses Joan the Chameleon to help learners visualize slope and find meaning in the standard formulas. Despite the whimsical factor, the tutorial delivers a serious and thorough definition of slope, its calculation, its relation to parallel and perpendicular lines, and its meaning in the slope-intercept form of the equation of a line.... 566 Dave's Short Course on Complex Numbers Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 11–Postsecondary Professional Commentary: The short course covers the history as well as the mathematics of complex numbers. The development of the imaginary unit i and the proof of the Fundamental Theorem of Algebra are followed by explorations of the complex plane.... 567 A Review of Logarithms Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 10–Postsecondary Professional Commentary: Through text and diagrams, this tutorial reviews logarithms from several perspectives. Beginning with a short history of logarithms, the discussion covers rules of logarithms, graphs of logarithmic functions (including transformations of those functions), logarithmic equations, and applications of both exponential and logarithmic functions.... 568 Gallery of Data Visualization: The Best and Worst of Statistical Graphics Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 8–Postsecondary Professional Commentary: This site offers graphical images that portray data accumulated from a range of sources (historical events, spread of disease, distribution of resources, etc.). The purpose of the collection is to give examples of the "best and worst of statistical graphics." The author contrasts the differences between the best and worst by showing how some images communicate data clearly and truthfully, while others misrepresent, lie, or totally fail to "say something." Among the images are Florence Nightengale's coxcomb graphic of deaths among soldiers and a cartogram showing the 2004 U.S.... 569 Reader's Theater Script for Click, Clack, Moo, Cows That Type Resource Type: Content Resource Discipline: English Language Arts Ohio Standards Alignment: Grades K–2 Professional Commentary: Based on a popular children's book, this reader's theater script offers opportunities for teachers to promote oral reading fluency in young readers. Reader's theater provides an effective way to engage students in repeated readings, rehearse and practice expressive reading, and build comprehension skills.... 570 Reader's Theater Script for Dinorella, A Prehistoric Fairytale Resource Type: Content Resource Discipline: English Language Arts Ohio Standards Alignment: Grades 1–3 Professional Commentary: Based on a popular children's book, this reader's theater script offers opportunities for teachers to promote oral reading fluency in young readers. Reader's theater provides an effective way to engage students in repeated readings, rehearse and practice expressive reading, and build comprehension skills.... |