My 8th graders know very little to nothing about irrational numbers. In eighth grade, square roots, Pythagorean theorem, and irrational numbers are introduced. Students are only required to estimate irrational numbers in problem situations.

Students in eighth grade only discuss that in a later course, they will see imaginary numbers.

I posted this comment on Jerald Cameron’s blog

If your 8th grade teachers are teaching their TEKS SE’s, the teachers are to teach the following:

8.1C approximate (mentally and with calculators) the value of irrational numbers as they arise from problem situations (such as π, )

8th grade is the first time irrational numbers are listed in the TEKS.

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