Grade 8 - Number
Standard 8.N.2 - Practice estimating positive and negative square roots.
Included Skills: Number Properties, Comparison
Determine the approximate square root of numbers that are not perfect squares (limited to whole numbers). • Achievement Indicators: - 8N2.1 Estimate, or approximate, a square root of a given number that is not a perfect square using the roots of perfect squares as benchmarks. - 8N2.2 Identify a whole number whose square root lies between two given numbers. - 8N2.3 Approximate a square root of a given number that is not a perfect square using technology, e.g., calculator, computer. - 8N2.4 Explain why a square root of a number shown on a calculator may be an approximation.