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This classroom activity gives the students an experience of graphing points on their TI-83 and on their Communicators. 

Pair the students to work together.  One will use the communicator and one will use the graphing calculator.

Review the steps of graphing with both items.

The lesson is divided into three sections:

  1. Locate some points given their ordered pairs.  The students will be given some ordered pairs and they must use their communicators and graphing calculators to locate the points.  The students will compare the results from the communicators and the graphing calculators.

  2. From some pictures of coordinates, name the coordinates and then graph them on the communicators and the graphing calculators.  The students will compare the results from the communicators and the graphing calculators.

  3. The students will be given a description of a set of points.  The students need to name some points that fit the description and then graph them.  The students will compare the results from the communicators and the graphing calculators.

Student Activity

Graph Paper

 

Graphing on a Coordinate Axis

Graphing points on a TI 83

 
1. 	Turn the calculator ON.	
2.	Clear the memory of the
	calculator by pressing 2nd MEM,
	7(Reset), 1.  All RAM, 2.  Reset.
3.	CLEAR the screen.
4.	To graph (3,4) press 2nd DRAW, 
	select Pt-On( and press ENTER.  
5.	Complete the line so it says 
	Pt-On(3,4) and press ENTER.
6.	To repeat this command return 
	to the homescreen by pressing
	2nd Quit.  Press 2nd ENTER to 
	bring the command line back 
	and change the numbers to a 
	new set of coordinates.  
	Press ENTER to graph.  
7.	To clear a graph press 
	2nd Draw and select 1. ClrDraw 
	and press ENTER.

 

To graph (3,4) you start at (0,0) and move three units to the right on the x-axis and then 4 units up.