![]() ![]() 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. Draw a table with four columns and five rows.Students should say that the equation means "a number plus five equals another number," or a comparable statement. Ask: How could you say this equation in words?.Write the equation x + 5 = y publicly for the class to see.They should also be able to recognize and interpret an equation. Prerequisite Skills and Concepts: Students should know about ordered pairs and locating points on a grid. Ensure all students have a copy of the grid. Label the x- and y-axes from 0 through 10. Preparation: Draw a coordinate grid where all students can see it. Materials: Poster paper or a way to display a coordinate grid publicly for the class straightedge one copy of a coordinate grid, a straightedge, and lined paper for each student ![]() Key Standard: Interpret an equation as a linear function, whose graph is a straight line. One example could read, " Rule: The first number plus three equals the second number ordered pairs: (2,5) (3,6) (4,7) and (5,8)."ĭeveloping the Concept Finding and Graphing Points for Linear RelationshipsĪt this level, students will begin to see the relationship between equations and straight-line graphs on a coordinate grid. Have students identify the rule and explain how to graph the points.
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