How to simplify a square root on the exam: TI-Nspire™ handheld

A quick way to tackle the digital STAAR 8th grade EOC exam question #1 using TI-Nspire™ technology.
This video shows how TI-Nspire can be used to calculate the square root of a number to help you classify it as rational or irrational.
Quick steps:
Go to the scratch pad
Write the square root: ctrl, x²
Related:
Calculating square root of a number on TI-Nspire CX II, STAAR, TEKS 8.1.2.A