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4-6.

Jack and Jill were each placing points on the grid shown at right. Jack's points are the shaded circles, and Jill's are the unshaded circles.

  1. Record Jack and Jill's points as ordered pairs.

    Remember, in an ordered pair, the coordinate (showing the placement along the axis) is listed first and the coordinate (showing the placement along the axis) is listed second, as in .

    Jill's ordered pairs are , and .
    Can you name Jack's ordered pairs?

  2. Give the coordinates of one more point that Jill could draw so that she has four points in a row.

    Can you spot the possible points? Here's a clue: the point should be at the two value on the axis, so the ordered pair will look something like this .

    The two possible points are now plotted. Can you record their ordered pairs?