Lesson plan

Compute quotients by using scientific notation and the Quotient of Powers property

teaches Common Core State Standards CCSS.Math.Content.8.EE.A.4 http://corestandards.org/Math/Content/8/EE/A/4
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6

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Big Ideas: Scientific notation allows us to calculate very large or very small numbers focusing primarily on non-zero digits and the relative sizes of each number based on powers of ten. This lesson builds on students' work with scientific notation and Power properties. This task uses the circumferences of various objects. Students are presented with 4 different objects and asked to determine how many times various ones will fit into the others setting them up to discover how to divide numbers that are in scientific notation. Students reason about quotients when the powers of ten are both positive, and when one is negative. The mathematical concepts in this lesson build toward students' understanding of rational expressions. Vocabulary: scientific notation, powers of ten