Arizona's College and Career Ready Standards
AZ.8.EE. Expressions and Equations (EE)
8.EE.A. Work with radicals and integer exponents.
8.EE.A.2. Use square root and cube root symbols to represent solutions to equations of the form x^2 = p and x^3= p, where p is a positive rational number. Know that √2 is irrational.
8.EE.A.2.a. Evaluate square roots of perfect squares less than or equal to 225.