Lesson plan

Approximate irrational square roots to the nearest integer by using perfect squares

teaches Common Core State Standards CCSS.Math.Content.8.EE.A.2 http://corestandards.org/Math/Content/8/EE/A/2
teaches Common Core State Standards CCSS.Math.Content.8.NS.A.2 http://corestandards.org/Math/Content/8/NS/A/2
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: The square roots of rational numbers are not always rational, but are sometimes irrational. Ability to use perfect squares to approximate irrational numbers. Students will explore the importance of using perfect squares and square roots when approximating irrational numbers. They will also explore the concept of "between-ness" when approximating irrational numbers. Vocabulary: square root, perfect square, irrational number, approximation