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WI- A.12.4 Develop effective oral and written presentations employing correct mathematical terminology, notation, symbols, and conventions for mathematical arguments and display of data WI- C.12.1 Identify, describe, and analyze properties of figures, relationships among figures, and relationships among their parts WI- D.12.2 Select and use tools with appropriate degree of precision to determine measurements directly within specified degrees of accuracy WI- D.12.3 Determine measurements indirectly, using geometric formulas to derive lengths, areas, or volumes of shapes and objects (e.g., cones, parallelograms, cylinders, pyramids) This is a lesson designed to assess students’ understanding of object volumes, while making use of the assistance of technology. Students must be able to analyze objects, take appropriate measurements, and utilize applicable mathematical equations to determine accurate volume measurement. Prior lessons introducing mathematical equations with respect to object volume. This approach to assessment is geared towards challenging the student to work with all aspects of volume measurement. Many traditional “story problems”, from a textbook for example, might provide an illustration of an object with certain elements labeled. The problem would further provide a paragraph explaining the objective. Students’ task would be to simply determine apply the proper equation to derive an answer. Alternatively, this lesson allows students to start from “scratch.” They choose their own objects, decide on their own which component measurements will be needed, make their own measurements, and finally apply the relevant equation(s) required to complete their task. Thus, students’ are assessed on the depth of concepts they have learned with respect to volume. Students will also become comfortable and proficient using computer technologies. This particular project makes use of Voicethreads. Pre-required work from home: Students must have two digital photographs of objects which they will calculate the volume for and must bring the photographs along with the objects to class. (Note: If the object is too large, then students must take their component measurements and record them as well. Also, if students are unable to physically take a digital photograph, they must use reliable sources on the web to locate objects and also respective measurements of the objects.) Lab work during class: Students will be creating a Voicethread to present their work. (Introduce Voicethread and show examples) They must first upload their pictures and title appropriately. They must then use the various “comment” options to present the steps necessary for accurately estimating the volume of their objects. Students are free to use as much speech, writing, and drawing within the Voicethread to sufficiently display their comprehension. Assessment is partly objective and partly subjective. Projects will certainly be evaluated on the accuracy of content and procedures followed by the students. However, students will also be evaluated highly on their ambitions and creativity with respect to utilizing the Voicethread technology.
 * Lesson:** Objects and Volumes
 * Subject:** Mathematics
 * Grade Level:** 9-10
 * Duration:** 1 day + pre-required work from home (see Procedures below)
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