![]() These numbers are called the x- and y-coordinates. Therefore, the first number in an ordered pair is a value for x, and the second number is a value for y. Label the fourth column of your table "Ordered Pairs." Remind students that when they locate points on a grid, they first move right on the x-axis, then up on the y-axis. Say: Let's write ordered pairs using the values of x and y.Then ask for a volunteer to complete the table publicly for the class. Have students complete the first three columns of their tables on their own. Continue to replace x with 2, 3, then 4.Write "1 + 5" in the second column below " x + 5." Then write "6" in the third column below y. Ask: What happens to the equation if we replace x with 1? Elicit from students the equation 1 + 5 = 6.Label the first column x, the second column x + 5, and the third column y. ![]()
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