Summary: Simplifying and Using Square Roots

The Links to Literacy activity "Sea Squares" will provide you with another view of the topics covered in this section.

• Introduction to Square Roots
• Estimating Square Roots with a Calculator

Key Concepts

• Square Root Notation $\sqrt{m}$ is read ‘the square root of $m$ ’If $m={n}^{2}$ , then $\sqrt{m}=n$ , for $n\ge 0$ .
• Use a strategy for applications with square roots.
  • Identify what you are asked to find.
  • Write a phrase that gives the information to find it.
  • Translate the phrase to an expression.
  • Simplify the expression.
  • Write a complete sentence that answers the question.

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