Code.Org Discoveries (Middle School Curriculum)
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Objective
In this lesson students apply the problem solving process to three different problems in order to better understand the value of each step. They will solve a word search, arrange seating for a birthday party, and plan a trip. The problems grow increasingly complex and poorly defined to highlight how the problem solving process is particularly helpful when tackling these types of problems. The lesson concludes with students reflecting on their experience with the problem solving process. They will justify the inclusion of each step and will brainstorm questions or strategies that can help them better define open-ended problems, as this is often the most critical step.
This lesson will likely take two class periods or more to complete. The first two problems may fit into a single class period but the third will need to be moved to a second day.
Purpose
This lesson provides students with more practice with the problem solving process in a variety of contexts. It highlights the fact that the problem solving process is particularly helpful when approaching poorly defined problems. The final brainstorm of the lesson provides students with some strategies and questions they can ask to better define problems for themselves, since this is often the most critical step. The problems seen in this lesson also help to drive a discussion in the following lesson about the types of problems that computers are well-suited to solve.
Agenda
- Warm Up (5 min)
- Setting the Stage
- Activity (75 min)
- Solving Problems
- Wrap Up (20 min)
- Understanding the Problem Solving Process
CSTA K-12 Computer Science Standards
AP - Algorithms & Programming
- 1B-AP-08 - Compare and refine multiple algorithms for the same task and determine which is the most appropriate.
- 1B-AP-11 - Decompose (break down) problems into smaller, manageable subproblems to facilitate the program development process.
- 1B-AP-13 - Take on varying roles, with teacher guidance, when collaborating with peers during the design, implementation and review stages of program development.
