Lesson Plan Course Title: Concepts of Engineering and Technology Session Title: Introduction to Problem Solving Performance Objective: After completing this lesson, students will be able to define problem solving, identify four steps in the problem solving process and create their own problem solving Pictionary, matching the criteria in the example provided. Specific Objectives: Define problem solving Identify four steps in the problem solving process: o understanding the problem; o devising a plan; o carrying out the plan; o looking back Create an original problem solving Pictionary, using the example and characters provided Preparation TEKS Correlations: This lesson, as published, correlates to the following TEKS. Any changes/alterations to the activities may result in the elimination of any or all of the TEKS listed. Concepts of Engineering and Technology: 130.362 (c)(6)(A)(C)(D)(E) ...identify and describe the fundamental processes needed for a project, including design and prototype development; ...use problem-solving techniques to develop technological solutions; ...use consistent units for all measurements and computations; ...assess risks and benefits of a design solution. Interdisciplinary Correlations: English: 110.44 (b)(6)(A)(B) …expand vocabulary through wide reading, listening and discussing; …rely on context to determine meanings of words and phrases such as figurative language, connotation and denotation of words, analogies, idioms, and technical vocabulary. 110.44 (b)(7)(H) …use study strategies such as note taking, outlining, and using study-guide questions to better understand texts; Copyright © Texas Education Agency, 2012. All rights reserved. 1 Mathematical Models with Applications: 111.36 (c)(M.1)(A)(B)(C) ...compare and analyze various methods for solving a real-life problem; ...use multiple approaches (algebraic, graphical, and geometric methods) to solve problems from a variety of disciplines; and ...select a method to solve a problem, defend the method, and justify the reasonableness of the results. Teacher Preparation: Understand the four steps and sub steps in the problem solving process and prepare the PowerPoint presentation for the lesson. References: Billstein, R., Libeskind, S., and Lott, J. (2010). A Problem Solving Approach to Mathematics for Elementary School Teachers. Boston: Addison-Wesley. Wikipedia.com Instructional Aids: 1. PowerPoint presentation 2. Dictionary Materials Needed: 1. Paper 2. Pencil 3. Problem solving definition handout 4. Problem solving Pictionary handouts (slides 2 and 12) 5. Problem solving quiz 6. Problem solving quiz key Equipment Needed: 1. Computer 2. Overhead projector Learner Preparation: None required. Introduction Introduction (LSI Quadrant I): SAY: Today we are going to discuss problem solving and four steps that make up the problem solving process. ASK: Does anyone know what is meant by problem solving? Copyright © Texas Education Agency, 2012. All rights reserved. 2 SAY: It is a mental process that’s part of the larger problem process that includes problem finding and problem solving. ASK: Can anyone state a problem in your own words? SHOW: Let’s look at the problem solving Pictionary in the slide presentation. (Slide 2) SAY: After we go through the problem solving process in the slide presentation, you will have a chance to make your own Pictionary to solve a problem of your choice. SAY: Keep it simple but don’t be limited to four steps (you might want to break each part into sub sets). SHOW: The last slide. (Slide 11) SAY: Use this example to make your own problem solving Pictionary. You may use the characters in this example to make your own characters. Finally, you will move the characters until you get the idea that solves your problem. Outline Outline (LSI Quadrant II): Instructors can use the PowerPoint presentation, slides, handouts, and note pages in conjunction with the following outline. MI Outline Notes to Instructor . I. Problem solving defined A. A mental process that is part of the larger problem process. B. Considered the most complex of all intellectual functions. C. Defined as higher-order cognitive process. D. Occurs when an organism or artificial intelligence system needs to move from a given state to a desired state. Teacher begins PowerPoint presentation and distributes the Problem Solving Definition handout. II. Problem solving process A. Understanding the problem. B. Devising a plan. C. Carrying out the plan. D. Looking back. Teacher points out Pictionary slide 2 showing the four steps of the process with characters. III. Step 1 - understanding the problem A. State problem in your own words. B. What are you trying to find or do? C. What are the unknowns? D. What information do you obtain from the problem? E. What information is missing? F. What information is not needed? As the students are working, the teacher reminds them to think of things that relate to them in their everyday lives that could be problems. Using one of the problems stated, the teacher can ask the students questions Copyright © Texas Education Agency, 2012. All rights reserved. 3 B-F. IV. Step 2 - devising a plan A. Look for a pattern. B. Examine related problems. C. Examine a simpler or special case of the problem. D. Make a table. E. Make a diagram. F. Write an equation. G. Use guess and check. H. Work backwards. I. Identify a sub goal. The teacher explains that the strategies listed, although not exhaustive, are very useful. Have students look for a tool, a part, the main support, and ask how was it done? V. Step 3 - carrying out the plan A. Implement the strategy or strategies in Step 2 B. Check each step as you proceed. C. Keep an accurate record of work. Teacher reinforces that people have different interpretations and that no idea is a bad idea. VI. Step 4 - looking back A. Check results in original problem. B. Interpret the solution in terms of original problem. C. Determine if there is another method of finding the solution. D. Determine other related or more general problems for which the techniques will work. Continue PowerPoint presentation. VII. Storyboard A. Students will make their own Pictionary. B. Four steps and sub steps of the problem solving process. C. Use characters from example Pictionary. D. Move pictures until you get the idea that solves the problem. E. Look at it from forward, backwards. Teacher introduces the storyboard and reminds the students to refer to the example at the beginning of the presentation (slide 2); and use the example at the end of the presentation to create During this step of the process, you will make simple sketches and keep a record. Copyright © Texas Education Agency, 2012. All rights reserved. 4 their own Pictionary (slide 11). Students will use the Problem Solving Definition handout as a reminder of what is included in each of the four steps of the process. Verbal Linguistic Logical Mathematical Visual Spatial Musical Rhythmic Bodily Kinesthetic Intrapersonal Interpersonal Naturalist Existentialist Application Guided Practice (LSI Quadrant III): After class presentation, the teacher will demonstrate how to use the examples from the storyboard and the Problem Solving Definition handout to create the Pictionary of their choice. Independent Practice (LSI Quadrant III): Following the storyboard provided in the lesson, students will use abstract thinking to identify at least four steps of the problem solving process and select characters that best depict each step of the process. Summary Review (LSI Quadrants I and IV): Question: What is the process of problem solving? Answer: The process is: 1) understanding the problem; 2) devising a plan; 3) carrying out the plan; and 4) looking back. Question: What do you do when you identify barriers while trying to solve a problem? Answer: Think it through until it works. Question: How will problem solving help you with the project? Answer: It helps you to structure your thinking to get it right. Evaluation Informal Assessment (LSI Quadrant III): Copyright © Texas Education Agency, 2012. All rights reserved. 5 The teacher will observe the students as they are working on the problem solving Pictionary they are creating. Formal Assessment (LSI Quadrant III, IV): The students will create a problem solving Pictionary with four steps and multiple sub steps for the problem they choose to solve and complete the Problem Solving Quiz. Extension Extension/Enrichment (LSI Quadrant IV: Paper towers, card towers, paper bridges. Copyright © Texas Education Agency, 2012. All rights reserved. 6 Problem Solving Definition Handout Problem solving is a mental process and is part of the larger problem process that includes problem finding and problem solving. Considered the most complex of all intellectual functions, problem solving has been defined as higher-order cognitive process that requires the modulation and control of more routine or fundamental skills. Problem solving occurs when an organism or an artificial intelligence system needs to move from a given state to a desired goal state. Problem Solving Process: 1. UNDERSTANDING THE PROBLEM * Can you state the problem in your own words? * What are you trying to find or do? * What are the unknowns? * What information do you obtain from the problem? * What information, if any, is missing or not needed? 2. DEVISING A PLAN The following list of strategies, although not exhaustive, is very useful. * Look for a pattern. * Examine related problems, and determine if the same technique can be applied. * Examine a simpler or special case of the problem to gain insight into the solution of the original problem. * Make a table. * Make a diagram. * Write an equation. * Use guess and check. * Work backward. * Identify a sub goal. Copyright © Texas Education Agency, 2012. All rights reserved. 7 3. CARRYING OUT THE PLAN * Implement the strategy or strategies in step 2, and perform any necessary actions or computations. * Check each step of the plan as you proceed. This may be intuitive checking or a formal proof of each step. * Keep an accurate record of your work. 4. LOOKING BACK * Check the results in the original problem. (In some cases this will require a proof.) * Interpret the solution in terms of the original problem. Does your answer make sense? Is it reasonable? * Determine whether there is another method of finding the solution. * If possible, determine other related or more general problems for which the techniques will work. Resources: Billstein, R., Libeskind, S., & Lott, J. (2010). A Problem Solving Approach to Mathematics for Elementary School Teachers. Boston: Addison-Wesley. Wikipedia.com Copyright © Texas Education Agency, 2012. All rights reserved. 8 Introduction to Problem Solving Quiz 1. What is the definition of problem solving? 2. Problem solving occurs when an organism or an artificial intelligence system needs to _____ (circle the correct answer below)______. A. move from a given state B. move to a desired goal state C. move from a given state to a desired goal state. 3. List four steps to the Problem Solving Process and briefly describe each step in your own words. A. ________________________ Describe this step: Copyright © Texas Education Agency, 2012. All rights reserved. 9 B. ________________________ Describe this step: C. ________________________ Describe this step: D. ________________________ Describe this step: Copyright © Texas Education Agency, 2012. All rights reserved. 10 Introduction to Problem Solving Quiz Key 1. What is the definition of problem solving? Problem solving is a mental process and is part of the larger problem process that includes problem finding and problem solving. Considered the most complex of all intellectual functions, problem solving has been defined as higher-order cognitive process that requires the modulation and control of more routine or fundamental skills. 2. Problem solving occurs when an organism or an artificial intelligence system needs to move from a given state to a desired goal state. A. move from a given state B. move to a desired goal state C. move from a given state to a desired goal state. 3. List four steps to the Problem Solving Process and briefly describe each step in your own words. A. Understanding the Problem *State the problem in your own words. *What are you trying to find or do? *What are the unknowns? *What information do you obtain from the problem? *What information, if any, is missing or not needed? Copyright © Texas Education Agency, 2012. All rights reserved. 11 B. Devising a Plan * Look for a pattern. * Examine related problems and determine if the same technique can be applied. * Examine a simpler or special case of the problem to gain insight into the solution of the original problem. * Make a table. * Make a diagram. * Write an equation. * Use guess and check. * Work backwards. * Identify a sub goal. C. Carrying out the Plan * Implement the strategy or strategies in step 2, and perform any necessary actions or computations. * Check each step of the plan as you proceed. This may be intuitive checking or a formal proof of each step. * Keep an accurate record of your work. D. Looking Back * Check the results in the original problem. * Interpret the solution in terms of the original problem. Does your answer make sense? Is it reasonable? * Determine whether there is another method of finding the solution. * If possible, determine other related or more general problems for which the techniques will work. Copyright © Texas Education Agency, 2012. All rights reserved. 12