Squares Videos - Free Educational Videos for Students in K - 12

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This page provides a list of educational videos related to Squares. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Squares.


Square roots of perfect squares


By Khan Academy

Understanding Square Roots

Proof (part 3) minimizing squared error to regression line | Khan Academy


By Khan Academy

Proof (Part 3) Minimizing Squared Error to Regression Line. All Khan Academy content is available for free at www.khanacademy.org

Proof (part 1) minimizing squared error to regression line | Khan Academy


By Khan Academy

Proof (Part 1) Minimizing Squared Error to Regression Line. All Khan Academy content is available for free at www.khanacademy.org

Construct A Square


By MrsBinomial

Another example of how to construct a square using a compass and straightedge.

Square roots of perfect squares


By Khan Academy

Learn about the square root symbol (the principal root) and what it means to find a square root. Also learn how to solve simple square root equations.

Contingency table chi-square test | Probability and Statistics | Khan Academy


By Khan Academy

Hypothesis tests on contingency tables are based on the Chi-square. The term "chi-square" refers both to a statistical distribution and to a hypothesis testing procedure that produces a statistic that is approximately distributed as the chi-square distribution.

ANOVA 2: Calculating SSW and SSB (total sum of squares within and between) | Khan Academy


By Khan Academy

Analysis of Variance 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi. All Khan Academy content is available for free at www.khanacademy.org

Approximating square roots


By Khan Academy

Learn how to find the approximate values of square roots. The examples used in this video are √32, √55, and √123. The technique used is to compare the squares of whole numbers to the number we're taking the square root of.

Example: Completing perfect square trinomials


By Khan Academy

This is a Khan Academy video on completing perfect square trinomials.

Pearson's chi square test (goodness of fit) | Probability and Statistics | Khan Academy


By Khan Academy

Pearson's Chi Square Test (Goodness of Fit). All Khan Academy content is available for free at www.khanacademy.org

Solving quadratics by taking the square root


By Khan Academy

Sal solves the equation 2x^2+3=75 by isolating x^2 and taking the square root of both sides.

Solving quadratics by completing the square 1


By Khan Academy

Sal uses completing the square to find the value of c that makes x^2-44x+c a perfect square.

Ex 3: Completing the Square - Complex Solutions


By Mathispower4u

Ex 3: Completing the Square - Complex Solutions

Square Roots and Real Numbers


By Khan Academy

Khan Academy presents Square Roots and Real Numbers an educational video resource on math.

Solving quadratics by taking the square root


By Khan Academy

Sal shows a few examples of quadratic equations whose form allows for solving by simply taking the square root of both sides (after quickly arranging the equation).

Rectangles and squares - 2nd grade math lesson


By mathmamoth

how we can measure the "size" of rectangles and squares: we check how many "little squares" fit inside them.