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Standards/Math/West Virginia/M.6.9.b

M.6.9.b

M.6.9 Understand a rational number as a point on the number line. Extend number line diagrams and coordinate axes familiar from previous grades to represent points on the line and in the plane with negative number coordinates.
M.6.9.a
M.6.9.b
M.6.9.c

Understand signs of numbers in ordered pairs as indicating locations in quadrants of the coordinate plane; recognize that when two ordered pairs differ only by signs, the locations of the points are related by reflections across one or both axes.

Khan Academy Resources
Coordinate plane parts reviewQuadrants on the coordinate planeDistance between points: vertical or horizontalArea and perimeter on the coordinate planeDecimals & fractions on the number lineQuadrants of the coordinate planePoints and quadrants exampleCoordinate plane word problem examples
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