Coordinates
Mathematics, Grade 6
Coordinates
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Coordinates
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Coordinates
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Study Guide Coordinates Mathematics, Grade 6
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COORDINATES What are coordinates? The use of coordinates pertains to graphing and the quadrants that are formed by the x and y-axis. The x-axis is the horizontal axis on a graph and the y-axis is the vertical axis on a graph. The x and y-axis make up the following quadrants: When plotting points on grid or graph, the x value is plotted first and then the y value, (x, y). In quadrant I, the x and y values are both positive. In quadrant II, the x value is negative and the y value is positive. In quadrant III, both the x and y values are negative. In quadrant IV, the x value is positive and the y value is negative. How to use coordinates: • To plot points on a grid, look at the x value first and move that many spaces over on the x-axis, either positive or negative. • Next, look at the y value and move that many spaces up or down on the y-axis depending if the value is positive or negative and plot the point. • By plotting various points and connecting the points, angles and shapes can be drawn. • The three types of angles are acute (less than 90°) o btuse, (greater than 90°) and right (90°). • When shapes are plotted on a grid, their area and perimeter can be found by counting the blocks that make up the grid. One block equals one unit. To find perimeter, the blocks on all the sides of the shape should be counted. To find the area of a rectangle, the length and the width would be counted in blocks and then multiplied since area = length · width. © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Try this! 1. Plot the following on a grid: (2, 4) (-6, 5) (-3, -1) (7, -8) What quadrant were these points in? 2. What kind of angle is less than 90°? 3. What kind of angle is 90°? 4. What is the perimeter of a rectangle with 3 blocks for a height and 5 blocks for a width? 5. What is the area of a square with sides 4 blocks long? © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
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