# Lesson Plan: Square Roots of Perfect Squares Mathematics • 8th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find square roots of perfect square integers, fractions, and decimals.

#### Objectives

Students will be able to

• understand that taking the square root of a number is the inverse operation of squaring that number,
• understand that the square root symbol denotes the positive square root of a number,
• find the square root of a perfect square,
• find the square root of a fraction where the numerator and denominator are perfect squares,
• Find the square root of a decimal number that can be written as a fraction with a numerator that is a perfect square and a denominator that is a multiple of 100, and give your answer as a decimal,
• find the square root of squared algebraic terms,
• find lengths by taking the square root of perfect squares,
• solve word problems by taking the square root.

#### Prerequisites

Students should already be familiar with

• powers and exponents,
• perfect squares.

#### Exclusions

Students will not cover

• square roots of non-perfect squares,
• fractional powers of numbers,
• solving equations by taking the square root.