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[4.G.3-1.0] Lines of Symmetry - Common Core Standard
By Freckle education
Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts.
Symmetry for 4th Graders
By Brooke Wert
Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts.
Elementary Algebra | MathHelp.com
By MathHelp.com
This lesson covers lines of symmetry. Students learn that a line of symmetry divides a figure into two parts, each of which is the mirror image of the other. In other words, if one side of a given figure is flipped over a line of symmetry, it will line up exactly with the other side. Students also learn that if a given figure is symmetric, then it has at least one line of symmetry. Students are then asked to determine if given figures are symmetric, and if so, draw all lines of symmetry.
Symmetry of two-dimensional shapes
By Khan Academy
Sal solves the following problem: Two of the points that define a certain quadrilateral are (0,9) and (3,4). The quadrilateral has reflective symmetry over the line y=3-x. Draw and classify the quadrilateral.
Lines of Symmetry | MathHelp.com
By MathHelp.com
MathHelp.com is great for teaching mathematics with custom math courses for Pre-Algebra, Algebra 1, Geometry, Algebra 2, and more. Perfect for homeschooling or for any student who needs lots of extra help in math.
Graphing Quadratic Equations
By Marc Whitaker
Instructor uses a white board to model graphing quadratic equations. Examples show using quadratic equations in standard form to determine the line of symmetry, create a table of values, and graph the quadratic equation by using these values.
Symmetry of two-dimensional shapes
By Khan Academy
Sal solves the following problem: Two of the points that define a certain quadrilateral are (-4,-2) and (0,5). The quadrilateral has a������������reflective symmetry over the lines y=x/2 and������������y=-2x + 5.������������Draw and classify the quadrilateral.
Intercepts and Symmetry
By mathlablady1
Students will learn how to identify intercepts and test for symmetry in this video.
04 - Graphing Parabolas - Vertex and Axis of Symmetry
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
Symmetry and periodicity of trigonometric functions
By Khan Academy
Sal finds trigonometric identities for sine and cosine by considering angle rotations on the unit circle.
Symmetry and periodicity of trigonometric functions
By Khan Academy
Sal solves a problem by considering the periodicity of the tangent function.
Symmetry and periodicity of trigonometric functions
By Khan Academy
Sal finds several trigonometric identities for sine and cosine by considering horizontal and vertical symmetries of the unit circle.
Symmetry and periodicity of trigonometric functions
By Khan Academy
Sal finds several trigonometric identities for tangent by considering horizontal and vertical symmetries of the unit circle.
Introduction to Symmetry
By mathwithlarry
Introductory lesson concerning symmetry. Instructor Larry explains the general idea of symmetry and gives examples with letters in this clip. The instructor uses computer software for demonstration.
Symmetry of two-dimensional shapes
By Khan Academy
Sal checks whether various figure are symmetrical under a 180 degrees rotation.
Symmetry of two-dimensional shapes
By Khan Academy
Sal introduces the concept of an axis of symmetry.,1332