squaring both sides   4 videos

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  Square Roots

  Pre-Algebra Decimals and Percents

  Understanding squaring and square roots, including decimal approximations

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  Deccimal Approximations of Square Roots

  Pre-Algebra Decimals and Percents

  Finding decimal approximations of square roots without a calculator

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  Similar Triangles

  Pre-Algebra Introductory Geometry

  Overview of similarity: congruent angles, proportional corresponding sides

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  Solving Equations- two variable terms

  Pre-Algebra Solving Equations and Inequalities

  Simplify each side of an equation before solving with two variable terms