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FLORIDA Pre-Algebra Teacher’s Guide Vol. A

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LESSON GOALS • determine the multiplicative relationship between two numbers written in scientific notation. • Solve problems involving scientific notation. FLORIDA STANDARDS • MAFS.8.EE.1.4 perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology. • MAFS.8.EE.1.3 use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. PACING One class period, approximately 60 minutes MATERIALS • Reference Guide pages 31−41 • practice Activity Book pages 22−24 • Overview and Toolkit presentations KEYWORDS Students can preview definitions of keywords hyperlinked throughout the lesson. • distributive property • like terms • power of 10 • product of powers property • scientific notation Use this guide to accompany Lesson 1.11, Semester A. Multiply and Divide in Scientific Notation MuLTIpLy ANd dIvIde IN ScIeNTIfIc NOTATION 49

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