The Coordinate Plane (part 1)

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Lesson for Glencoe Algebra I Math

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Presentation transcript:

The Coordinate Plane (part 1) Welcome to Math 6 The Coordinate Plane (part 1)

Objective: Each student will: Graph points on a coordinate plane. Name the quadrants of a coordinate plane. Find and position pairs of integers and other rational numbers on a coordinate plane

Connector:

Key vocabulary Coordinate plane- The plane containing the "x" axis and "y" axis. Cartesian Coordinates- Using Cartesian Coordinates you mark a point on a graph by how far along and how far up it is. Quadrants- The four sections of a coordinate grid that are separated by the axes.

“y-axis” “x-axis”

Coordinates- (x, y)

Quadrants

Two Points in Quadrant I Two Points in Quadrant II Two Points in Quadrant III Two Points in Quadrant IV

(2,5) a (5,2) b (1,3) c (4,0) d (0,2) e (4,5) f (2,1) g (-1,3) h (3,-4) i (-4,-2) j (-2,0) k

QUESTIONS: What do you notice about the coordinates of all points in quadrant I? What do you notice about the coordinates of all points in quadrant II? What do you notice about the coordinates of all points in quadrant III? What do you notice about the coordinates of all points in quadrant IV?

Assignments Complete the questions from the following worksheet: http://www.superteacherworksheets.com/geometry/coordinate-grid2_TZDWB.pdf

CONCLUSION The coordinate grid or coordinate plane is a useful invention which has many applications especially as you do more algebra and geometry. Make sure you have met all the objectives for today’s lesson.