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FLORIDA Pre-Algebra Teacher’s Guide Vol. A

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Exchange Ideas Use this guide to accompany Lesson 6.01, Semester A. FLORIDA STANDARDS • MAFS.8.F.1.1 Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. • LAFS.68.WHST.1.1d. Establish and maintain a formal style. • LAFS.8.SL.1.3 Delineate a speaker's argument and specific claims, evaluating the soundness of the reasoning and relevance and sufficiency of the evidence and identifying when irrelevant evidence is introduced. PACING One class period, approximately 60 minutes 6.01 DISCUSSION: FUNCTIONS To introduce some of the concepts covered in this unit, students complete an assignment and post it to the discussion board. For this assignment, students create an example of a relation that is a function and an example of a relation that is not a function. The examples should use two different forms of representation and students should not reveal which relation is a function and which one is not a function in their posts. To participate in the discussion, students will respond to another student's post by identifying which relation is a function and which relation is not a function. Students should explain their reasoning in their posts. Each student will also respond to replies made by other students on his or her own post throughout the unit. Make sure to review student responses regularly. LESSON GOALS • Determine whether a relation is a function. MATERIALS • Exchange Ideas Threaded Discussion Rubric • Overview presentation • Alternate Assignment: Exchange Ideas • Alternate Assignment Answer Key: Exchange Ideas 278 EXCHANGE IDEAS

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