Illuminations: Allow Me 2 Reiterate

In this grades 9‑12 lesson, students use a computer software program to assist them in determining the square root of 2 to a given number of decimal places.

From this, they will be able to study the repeating-decimal phenomenon of rational numbers and explore the system property of irrationality of numbers, such as 2.


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Math Topics
Algebra & Pre-Algebra, Exponents & Square Roots, Irrational/Rational Numbers
High School, Educator
9th Grade, 10th Grade, 11th Grade, 12th Grade

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Illuminations (National Council of Teachers of Mathematics)

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