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Graph Ordered Pairs

Graph Ordered Pairs. By Mr. Bales. Objective. By the end of this lesson, you will be able to graph ordered pairs and find the lengths of line segments on a coordinate grid.

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Graph Ordered Pairs

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  1. Graph Ordered Pairs By Mr. Bales

  2. Objective • By the end of this lesson, you will be able to graph ordered pairs and find the lengths of line segments on a coordinate grid. • Standard 4MG2.2 - Students will understand that the length of a horizontal line segment equals the difference of the x-coordinates. • Standard 4MG2.3 - Students will understand that the length of a horizontal line segment equals the difference of the y-coordinates.

  3. Introduce • On your desk you have a coordinate grid. Watching me, let’s place a star on the grid? • What ordered pair names the location of the star? • (3, 5) • Place a dot at (6, 5) • Move from point (3, 5) to (6, 5). How did you get there? • Place a dot at (6, 2) • Move from (6, 5) to (6, 2). How did you get there?

  4. 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 Mallory and Nicole • Mallory and Nicole are on a treasure hunt. What ordered pair gives the location of the treasure?

  5. B 4 3 2 1 0 -4 -3 -2 -1 1 2 3 4 -1 -2 -3 -4 • Graph point B at (-3, 4) • Start at (0,0) • Move 3 units to the left. • Then, move up 4 units. • Graph point B at (-3, 4) Let’s watch Mrs. Veraghese do this problem!!

  6. 4 (-1, 4) 3 2 (-1, 2) 1 0 -4 -3 -2 -1 1 2 3 4 -1 -2 -3 -4 Find the length of the line segment between each set of ordered pairs. • The line segment is vertical. • Subtract the y-coordinates • 4-2 = 2 • The length is 2 units.

  7. 4 3 2 1 0 -4 -3 -2 -1 1 2 3 4 -1 -2 -3 -4 Find the length of the line segment between each set of ordered pairs. • The line segment is horizontal. • Subtract the x-coordinates • 4-1 = 3 • The length is 3 units. (1, -3) (4, -3)

  8. Bales Bucks • Find the length of the line segment between each set of ordered pairs. • (4, 7), (4, 12) • (4, -2), (6, -2) • (5, -12), (5, 0) • (-4, 8), (-4, 17)

  9. Assignment • Page 478 - #’s 6 - 18 • Get them all correct - No Math Homework

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