1. Algebra… Graphing Equations More Graphing Equations Grade 4 Lesson 18-5 MG 2.1, 2.0 Grade 5 Lessons 18-3 AF 1.4, SDAP 1.5,

2. More Practice Graphing Equations Every morning at 7:00 Tim checks his outdoor thermometer and listens to the weather report on the radio. He writes down the temperature at his house and the temperature from the radio and compares the them. Practice A

3. More Practice Graphing Equations Use Tim’s information to make a T-chart and write an equation to show the relationship between the numbers. Then, make a graph of the equation. Practice A (cont’d) x Tim y Radio 5 4 2 0 -2 Finish the T-chart, then write an equation and graph it.

4. Graphing Equations Practice B Use the equation to finish the table, then graph the equation. Equation: y = x + + 3 XY +2+2 +1+1 0

5. Graphing Equations Practice C Use the equation to finish the table, then graph the equation. Equation: y = x - + 4 XY +5+5 +4+4 0

6. Graphing Equations Practice D Jenna is buying lunch and she has a coupon for $2 off. Let x = the regular price of lunch, and let y = the price after the coupon. To graph the equation y = x-2, first make a function table (T-chart) to show the values for this equation. xy 2 3 4 5 6

7. Graphing Equations Practice D (cont’d) The next step in graphing the equation y = x-2 is to write ordered pairs from your T-chart pairs and plot those points on the coordinate graph. xy 20 31 42 53 64 (2, 0) (3, 1) (4, 2) (5,3) (6,4)

8. Graphing Equations Practice D (cont’d) (2, 0) (3, 1) (4, 2) (5,3) (6,4) * When plotting your points, be sure to remember that the first number in each pair goes across on your x axis. The second number goes up or down on your y axis. After you plot your points, draw a line connecting them.

9. Independent Practice Use your hardcover math textbook and the special lesson paper provided to complete the following assignment. (Finish for homework) 4 th Grade: page 427 #5-9 5 th Grade: page 410-411 #5-16