Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 9–12 Professional Commentary: Given growth charts for the heights of girls and boys, students use slope to approximate rates of change in height of boys and girls at different ages. Students use these approximations to plot graphs of the rate of change in height vs.... Career Fields: Health Science Projects: Standards First Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 9–12 Professional Commentary: Both ends of a small chain are attached to a board with a grid on it to form a catenary curve, similar to a parabola. Students choose three points along the curve and use them to identify an equation.... Career Fields: Construction Technologies, Engineering & Science Technologies Projects: Standards First 743 How Long? How Wide? How Tall? How Deep? Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 3–5 Professional Commentary: Students use historical nonstandard units (digits, hand, cubit, yard, foot, pace, fathom) to estimate the lengths of common objects and then measure using modern standard units. They discover the need for standardized measurement units and tools.... Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 9–12 Professional Commentary: Students plot the data from two NBA teams during the 2004-05 season. In particular, students look at the total points and minutes played by each of the starters on the Los Angeles Lakers and Detroit Pistons.... Career Fields: General Career Skills Projects: Standards First Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 10–12 Professional Commentary: Students use right triangle trigonometry and the Pythagorean theorem to develop the law of cosines. An activity sheet, discussion questions, lesson extensions, and suggestions for assessment are included.... Career Fields: Construction Technologies, Engineering & Science Technologies, Manufacturing Technologies Projects: Standards First Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 10–12 Professional Commentary: Students use right triangle trigonometry to develop the law of sines. An activity sheet, discussion questions, lesson extensions, and suggestions for assessment are included.... Career Fields: Construction Technologies, Engineering & Science Technologies, Manufacturing Technologies Projects: Standards First 747 Learning about Properties of Vectors and Vector Sums Using Dynamic Software: Sums of Vectors and Their Properties Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 9–12 Professional Commentary: This lesson illustrates how using a dynamic geometrical representation can help students understand vectors and their properties, particularly as compared to numbers and their properties. Students manipulate two vectors to control the movement of a plane through a storm.... 748 Making Sense of Percent Concentrations: Don't Freeze the Engine Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 8–12 Professional Commentary: Students read an antifreeze chart to determine the necessary mix of antifreeze and water for protection against various temperatures. Students then numerically analyze a particular cooling system to determine how much fluid to drain and replace with antifreeze to get the desired percentage concentration of antifreeze.... Career Fields: Transportation Systems Projects: Standards First Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 6–8 Professional Commentary: In this lesson, students discover the havoc that wildfire can cause. After learning about the factors that contribute to the spread of a wildfire, students use a probability model to determine the portion of a forest that might be destroyed by fire.... 750 On Fire: Creating A Firewise Defensible Space Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades 6–9 Professional Commentary: Wildfires and wildfire environments are often in the news and suggest interesting applications of mathematics. This lesson focuses on the idea of defensible space.... |