6.A.1.1 Plot integer- and rational-valued (limited to halves and fourths) ordered-pairs as coordinates in all four quadrants and recognize the reflective relationships among coordinates that differ only by their signs.
In a Nutshell
This objective expands on previous knowledge using whole numbers to plot ordered pairs. Halves and fourths are added to either the x or y coordinate resulting in points that do not fall on the grid intersections of the graph. Knowledge of horizontal and vertical number lines provides the foundation for understanding how to plot these points within the grid squares. Negative and positive values of the same numeral are opposites. For example, the ordered pair (-4, 1) in the second quadrant is a reflection across the x-axis of the ordered pair (-4,-1) in the third quadrant.
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