ࡱ> SUR bjbj *D{!whhh  $#/& !hhhhh !5!hhhh hh hhrV T dX:h  K!0{! &h& & hhhhhhhh ! !hhhh{!hhhh&hhhhhhhhh : Math-in-CTE Lesson Plan: Clean Your Room Lesson Title:Clean your room. Lesson # Author(s): Phone Number(s): E-mail Address(es): Isaac Zawolo 703-228-2157 jeff@elkner.net Jeffrey Elkner 703-228-5771 isaac.zawolo@gmail.com Occupational Area: Math and ICT CTE Concept(s): Describe the process of writing and executing a computer program. Math Concepts: Adding Integers, Plotting points on a coordinate plane. Lesson Objective: Students will edit a Scratch story. Students will apply their understanding of the coordinate plane and Integer addition to move objects to a desired location. Students will distinguish between events and use the "change by" statements. Supplies Needed: Computer running Scratch. Access to Internet.  The "7 Elements" Teacher Notes (and answer key) Introduce the CTE lesson. How often do you clean your room? What do you do when you clean your room? Is it important to put things in proper place? Do you move things to the left or right? Do you move things up or down? Do you have to move things to the right and up or to the left and up? Do you move things to the left and down or to the right and down? Can you connect moving objects to the left with addition? Can you connect moving objects to the right with addition?  2. Assess students math awareness as it relates to the CTE lesson. In this lesson we learn to add integers and plot points on a coordinate plane.Do you know what are integers? What are the two kinds of integers? How do we add integers? Do you know what a Coordinate Plane is? What is the "begining point" on the coordinate plane called? What are the two intersecting lines that go through the origin called? What kind of integers are to the left of the origin? What kind of integers are at the right of the origin? What kinds of integers are above the origin? What kind of integers are below the origin? Integers are negative, positive whole numbers and zero. Numbers to the left of zero are negative integers. Numbers to the right are positive integers. To find the sum of numbers with the same sign we add the numbers and keep the sign. To find the sum of numbers with different signs we subtract the number with smaller absolute value from the number with the larger absolute value. The point of intersection of the two intersecting lines that run through the "begining point" of a rectangular coordinate plane is called the origin. The lines that run through the origin are called the axes. The line which runs vertically ( up and down ) is called the Y-axis. The line which runs horizontally ( left to right ) is called the X-axis. Every point in a plane has a x-coordinate and a y-coordinate. To plot a point we first move left or right and then move up or down. Some basic definitions: 1. Sum: the result when numbers are added. 2. Absolute Value: the measure of distance from zero. Absolute values is always positive. 3. Work through the math example embedded in the CTE lesson.  HYPERLINK "http://scratch.mit.edu/projects/izawolo/588720" http://scratch.mit.edu/projects/izawolo/588720 Scratch Programming Objectives: Scratch stage. stage background. sprites. "green flag" and "space bar" events. "goto x y" instruction "change x by" and change y by" instructions 4. Work through related, contextual math-in-CTE examples. Using the Scratch Lesson " Clean up your Room" students will: Modify the program to move objects to the desired location. Write the coordinate of objects in the story. Write the coordinates of location where the objects should be placed Students will find the sum of integers. Explanation of key terminology must be provided. Students must be familiarized with key-strokes and program code to move objecrts. Ask students to add a new sprite of their own choosing to the room, deciding for themselves where it should go. 5. Work through traditional math examples. Students will complete two sets of worksheet : Worksheet # 1: Adding Integers Worksheet # 2 Plotting points on a coordinate plane. The worksheets and Key to the worksheets will be provided. 6. Students demonstrate their understanding. Cleaning up the classroom. Starting with our IT classroom as the stage, students will 1. place at least 3 items in the "wrong" location in the room 2. use the "green flag" event to position each sprite in the choosen location. 3. determine the coordinates of the final, "correct" position of each item. 4. use the "space bar pressed" event and "change x / y by" statements to move each sprite to its final location.  7. Formal assessment. 1. Identify each of the following: a) The origin b) The X-axis c) The Y-axis 2. Write the coordinates of each of the following points; a) A ( , ) b) B ( , ) c) C ( , ) d) D ( , ) e) E ( , ) f ) F ( , ) g) G ( , ) h) H ( , ) 3. 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