Pin the Irrational "Tail" on the Number Line

Students will use their knowledge of perfect squares and square roots to determine a rational number to approximate an irrational number and find their locations on a number line. They will complete an activity that guides them to zoom further into a number line to find more accurate approximations for irrational numbers. They will conclude that between two rational numbers is another rational number and therefore the further the place value in the approximation, the more accurate the location on the number line.
Resource ID#: 51318 Type: Lesson Plan
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General Information

Subject(s): Mathematics
Grade Level(s): 8
Intended Audience: Educators educators
Instructional Time: 45 Minute(s)
Keywords: irrational number, irrational, perfect squares, square root, number line, approximation on the number line, rounding off, decimal approximation for square root, decimal approximation for an irrational square root, decimal approximation for an irrational number
Instructional Component Type(s): Lesson Plan,  Worksheet,  Instructional Technique
Instructional Design Framework(s): Direct Instruction, Structured Inquiry (Level 2)
Resource Collection: CPALMS Lesson Plan Development Initiative

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