Writing Coordinates Worksheets
How to Identify the Coordinates of a Point  The basics of coordinate geometry is to identify the coordinates of a point on the graph. A student who does not have the skills to identify coordinate of a point on a graph, solving coordinate geometry problems becomes a hassle for them. Before we start with identification of coordinates of a point on a graph, we need to have a clear understanding of all the terms involved in the process. In order to be able to identify the coordinates, it is essential that a student knows the difference between an xcoordinate and a ycoordinate. The xaxis is the horizontal axis, and the yaxis is the vertical axis. Every coordinate has an xvalue and a yvalue and these are known as order pairs. To identify the x coordinate, draw a vertical line from the point towards the xaxis. The point at which the line touches the axis is the x coordinate. To identify the y coordinate, draw a horizontal line from the point towards the yaxis and the point where the line touches the yaxis is the y coordinate. When a point lies on the xaxis, its y coordinate is zero and if the point lies on the yaxis, the x coordinate is zero. If the point lies in the first quadrant, both the x and y coordinates are positive. In the second quadrant, the y coordinate is positive and x coordinate is negative. In the third quadrant, both x coordinate and y coordinate are negative and in the fourth quadrant, coordinate is positive and y coordinate is negative.

Basic Lesson
Demonstrates how to determine the location of ordered pairs set by step.
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Independent Practice 1
30 coordinate sets to determine. The answers can be found below.
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Homework Worksheet
Write the coordinates for each point on the grids. Examples are provided and explained.
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How Do You Set This Up?
Subtract 35 from 84.
First subtract the tens' place digits (8  3 = 5)
Increase the top ones' place value by 10 (4+10 = 14) by borrowing from
the tens' digit
Subtract the two ones' place values (14  5 = 9)
Combine the tens' and ones' to make 49