Name ______________________________ © 2007, 2008 A. Azzolino  www.mathnstuff.com/math/spoken/here/2class/230/coord1.htm DOTS   Plotting Points     Coordinates, numbers stated in a specific order, name places on earth.     The abscissas (left-right) come first and the ordinates (up-down) come next.     For example, the point (2, 4) is 2 spaces to the right and 4 spaces up from the starting point, the origin, (0,0).   Vocabulary Review and Point Naming Questions 1 - 4: Complete. 1. The horizontal number line is called the _______________. 2. The vertical number line is called the __________________. 3. The point where the number lines cross at right angles to each other, where the lines are perpendicular, is called _______. 4. Use coordinates, (left-right, up-down), to name each point graphed. A. ______ B. ______ C. ______ D. ______ E. ______ F. ______ G. ______ the origin     ______   Picture Creation Questions 5 - 8:   You will be drawing 4 pictures.         Start at the first point. Draw a line from there to the next point, and then from there to the next, and then next, until you draw the line to the last (beginning) point to complete a picture.   5. (-3,1), (-5,2), (-6,4), (-4,5), (-3, 4), (-2,5), (0,4), (-3,1)   6. (0,-3), (-2,-5), (-4,-3), (-3,-2), (-2,-3), (-1,-2), (0,-3)   7. (4,3), (5,4), (5,5), (4, 4.5), (3,5), (3,4), (4,3), (4, -3), (2,2), (3,1), (4,-3)   8. (6,1), (7,2), (7,3), (6, 2.5), (5,3), (5,2), (6,1), (6,-3), (7, -2), (7, -1), (6, -3)