8.G.7 The task challenges a student to demonstrate understanding of the concepts of irrational numbers, the Pythagorean Theorem and use it to calculate perimeter/circumference. A student must understand how to calculate the perimeter/circumference of different figures including rectangles, triangles and circles. A student must be able to make use of common irrational numbers such as the square root of 2 and pi. A student must approximate irrational numbers with a rational number to determine an approximate perimeter of a geometric shape. A student must apply the Pythagorean Theorem to calculate the side of a triangle.Copyright © 2007 by Mathematics Assessment Resource Service. All rights reserved.
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