221 High Step Shoes: Product Mix Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 8–12 Professional Commentary: Students are asked to maximize profits for an athletic shoe company that produces two kinds of shoes. This is the kind of product-mix problem that occurs whenever a company produces more than one item.... Career Fields: Agricultural & Environmental Systems, Arts & Communication, Business & Administrative Services, Construction Technologies, Manufacturing Technologies, Marketing, Transportation Systems Projects: Standards First Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 8–12 Professional Commentary: Students are asked to minimize the labor costs of hiring different numbers of workers for different shifts at different hourly wages in a pizza shop. Students use the graph of a system of linear inequalities to solve this linear programming problem geometrically.... Career Fields: Business & Administrative Services, Hospitality & Tourism, Human Services, Manufacturing Technologies, Transportation Systems Projects: Standards First 223 Representing Data: Baby Weight Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades K–3 Professional Commentary: In this lesson, students practice doubling and halving numbers. They use the rule that a baby doubles its weight in six months to complete a table for seven babies and then transfer the two data points for one baby to a simple bar graph.... Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 7–12 Professional Commentary: This reading lesson introduces students to cladistics, a method for determining the evolutionary relationship between organisms. Students read "Why Cladistics?" by Eugene S.... Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 9–10 Professional Commentary: The 3.6 million-year-old tracks of early hominids in Laetoli provide a tantalizing opportunity to explore how scientists use patterns of the present to understand the past. What do those footprints tell us? How can we find out? Students measure and correlate their foot lengths and body heights, then use these data to estimate height of Laetoli hominids.... 226 Expedition Panama: Bee Lines Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 3–8 Professional Commentary: Bee Lines provides information on honeybee communication and insect trapping techniques. Two different types of insect traps are detailed.... Career Fields: Agricultural & Environmental Systems, Construction Technologies, Manufacturing Technologies Projects: Standards First 227 Molecular Biology And Phylogeny Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 9–10 Professional Commentary: Students are introduced to the idea of independent confirmation in this lesson that utilizes amino acid sequences and a cladogram as the sources of evidence. Working in groups, students collect data on the amino acid sequences of a homologous protein produced by seven different animals.... Career Fields: Agricultural & Environmental Systems, Health Science Projects: Standards First 228 Comparison of Human and Chimpanzee Chromosomes Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 9–12 Professional Commentary: Students compare the banding patterns seen on stained chromosomes from various primates. Possible relationships are explored.... Career Fields: Agricultural & Environmental Systems, Health Science Projects: Standards First Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 3–10 Professional Commentary: In this engaging activity students are taken on an imaginary fossil hunt. Following a script read by the teacher, students "find" (remove from an envelope) paper "fossils" of some unknown creature, only a few at a time.... Career Fields: Agricultural & Environmental Systems, Health Science Projects: Standards First 230 Primate Classification Resource Type: Instructional Resource -- Promising Practice Discipline: Science Ohio Standards Alignment: Grades 6–12 Professional Commentary: Students transfer examples (names) of primates from their location in an outline hierarchy of primate groups into a set of nested boxes reflecting that same hierarchy. A cladogram can then be drawn illustrating how these groups are related.... Career Fields: Agricultural & Environmental Systems, Health Science, Human Services Projects: Standards First |