North Carolina Standard Course of Study
NC.8.NS. The Number System
Know that there are numbers that are not rational, and approximate them by rational numbers.
NC.8.NS.2. Use rational approximations of irrational numbers to compare the size of irrational numbers and locate them approximately on a number line. Estimate the value of expressions involving:
NC.8.NS.2.a. Square roots and cube roots to the tenths.
NC.8.EE. Expressions and Equations
Work with radicals and integer exponents.
NC.8.EE.2. Use square root and cube root symbols to:
NC.8.EE.2.a. Represent solutions to equations of the form ݑ^2 = Űݑ and ݰݑ^3 = Űݑ, where ݰݑ is a positive rational number.
NC.8.EE.2.b. Evaluate square roots of perfect squares and cube roots of perfect cubes for positive numbers less than or equal to 400.