FLORIDA Pre-Algebra Teacher’s Guide Vol. A

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LESSON GOALS • Evaluate a numerical expression that includes a positive integer exponent. • Evaluate a numerical expression that includes zero as the exponent. FLORIDA STANDARDS • MAFS.8.EE.1.1 Know and apply the properties of integer exponents to generate equivalent numerical expressions. PACING One class period, approximately 60 minutes CONTENT BACKGROUND Lessons 1.05, 1.06, and 1.07 work together to introduce students to exponents. Exponents are used often in mathematics and science to represent very small and very large numbers. Students must first understand the components of a power, the base and exponent. Then they learn rules of exponents in order to simplify. In Lesson 1.05, students work with positive and zero exponents. In Lesson 1.06, students extend their understanding to negative exponents. In Lesson 1.07, students learn and use the properties of exponents to simplify expressions. From here, students will apply exponents in scientific notation. KEYWORDS Students can preview definitions of keywords hyperlinked throughout the lesson. • base • exponent • power MATERIALS • reference Guide pages 13−18 • Practice Activity Book pages 8−9 • overview and Toolkit presentations Use this guide to accompany Lesson 1.05, Semester A. Positive and Zero Exponents 18 PoSITIvE And ZEro ExPonEnTS

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