5.G.A.1 Math.5.G.1 5.G.A.1 5.G.1 5.G.1 5.G.A.1 20 Math.5.G.2 5.G.A.2 5.G.A.2 CC.2.3.5.A.1 M05.C-G.1.1.1 M05.C-G.1.1.2 5.GM.7 5.GM.8

A two-dimensional coordinate system is defined by a pair of intersecting horizontal and vertical number lines. These number lines are referred to as axes.

The point at which the axes intersect coincides with the 0 on each number line.
This point of intersection is referred to as the origin.

The location of a point on a coordinate grid is identified by an ordered pair.
The values of an ordered pair are referred to as coordinates.

The first coordinate indicates how far to move from the origin along the horizontal axis.
The second coordinate indicates how to far to move from the origin along the vertical axis.
For example, the origin is located at the point (0, 0).

Most commonly, a coordinate grid has the axes labeled as x (horizontal) and y (vertical).
The first coordinate of an xy-ordered pair is referred to as the x-coordinate.
The second coordinate is referred to as the y-coordinate.

Sometimes ordered pairs are given in a table.

Coordinate Plane

Arkansas Academic Standards: 5.GM.7

Graph points with whole number coordinates on a coordinate plane in the first quadrant, explaining how the coordinates relate to the horizontal and vertical axes to describe the location of points in the plane.

Arkansas Academic Standards: 5.GM.8

Represent real-world and mathematical problems by graphing points in the first quadrant on a coordinate plane, interpreting coordinate values of points in the context of the situation.

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