A point on a coordinate plane can be reflected across an axis, or a line of reflection. The point on the opposite side of that axis, or line of reflection, will be the same distance and number of units from the axis as the original point. We can think of a reflection as our reflection in a mirror. The surface of a mirror is a line of reflection. We see how we can fold paper on the x-axis or the y-axis to see how a point and its reflection are the same distance from each other. We see how a reflected point will have opposite values for x or y depending on which axis was used as the line of reflection. We plot the reflection of a point across the y-axis and write it's ordered pair. Then, we count the distance between the points in units.
6th Grade Math 12.1a, Naming Points in the Coordinate Plane
https://youtu.be/vZiim6qCCrU
6th Grade Math 12.1b, Graphing Points in the Coordinate Plane
https://youtu.be/vEryPSNGOOc
6th Grade Math 12.1c, Reading Scales on Axes, Coordinate Plane
https://youtu.be/QrRtWqQRTr4
6th Grade Math 12.1d, Graphing Rational Numbers, Identifying and Graphing Points
https://youtu.be/w37L7b7D3t4
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6th Grade Math Course Playlist
https://www.youtube.com/playlist?list=PLKi4WTp6PRGWg5McSxYODb2Oqvtt8AM5s
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Textbook to use:
Publisher : HOUGHTON MIFFLIN HARCOURT; Student edition (May 4, 2017)
Language: : English
Paperback : 632 pages
ISBN-10 : 1328761053
ISBN-13 : 978-1328761057
Item Weight : 3.26 pounds
Dimensions : 8.5 x 1.4 x 10.8 inches
This book may be purchased through many different online sellers.
Just search "Go Math Grade 6 2018".
Make sure you have one large textbook or the two-volume set. If the
cover says "Volume 1", then you will also need "Volume 2".