1. Understand shortest path finding: Grasp the concept of using algorithms to determine the quickest route in computer programming, enhancing program efficiency.
2. Apply path-finding algorithms: Learn and use algorithms like “Breadth-First Search” in “unplug” programming to guide a robot car through mazes and find the shortest path.
3. Utilize arrow instructions: Apply arrow instructions in “unplug” programming to create efficient sequences for guiding the robot car along the shortest path.
4. Develop problem-solving skills: Engage in activities that promote critical thinking and logical reasoning while finding the shortest path using arrow instructions.
5. Optimize program efficiency: Explore techniques for minimizing steps and actions in programs to enhance overall performance.
6. Evaluate path-finding algorithms: Analyze and compare different algorithms for finding the shortest path in “unplug” programming, making informed choices based on their effectiveness and efficiency.

Introduction:

In computer programming, finding the shortest path is like solving a puzzle. It’s important because it helps us make our programs faster and more efficient. Imagine a robot car in a map, and we want it to reach its destination using the quickest route.

In “unplug” programming, we use arrows to maneuver the robot car. Each arrow represents an action, like moving forward or turning. To find the shortest path, we use special instructions called algorithms which explores all possible paths simultaneously, helping the robot car find the shortest one.

By using arrows in “unplug” programming, we create sequences of instructions to guide the robot car through the map. Students learn problem-solving skills and logical thinking while understanding the importance of optimizing programs for efficiency. They discover how to use arrows to create instructions that help a robot car navigate effectively, choosing the shortest path.

Activity:

Dialogue:

Girl: (worried) Hello, there’s an emergency! My dad’s car broke down at school on 5 Parkside Street. We need help right away!
Dispatcher: Don’t worry, help is on the way! I know  that there’s road work happening in front of the candy store nearby. I’ll send a construction vehicle to tow your dad’s car. They are aware of the road work and will find the shortest path to reach the school.
Girl: Thank you so much! I hope they can get here quickly.
Dispatcher: Our construction vehicle experts are on the job! They’ll use their expertise to navigate the roads and reach the school as fast as possible, considering the road work and any other obstacles along the way. They’re like puzzle-solving pros!
Girl: That’s really cool! I’m glad they know about the road work. It’ll help them find the best route.
Dispatcher: Absolutely! The construction vehicle will use their advanced navigation systems, just like a computer program, to determine the optimal path. They’ll ensure your dad’s car gets the assistance it needs without any unnecessary delays.
Girl: Thank you so much for your help! I appreciate it.
Dispatcher: You’re welcome! remember, computer programming helps us solve real-life challenges. Goodbye for now!
Girl: Goodbye, and thank you again! I’ll be waiting for the construction vehicle to arrive and help my dad’s car.

Answer keys:

Answer5 by wacheerapan kaewprapan