Question Type: Robot
Authored by Ahmet Ilbay
Computers
10th - 12th Grade
Used 153+ times
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About
This quiz focuses on computational thinking and programming concepts through robot navigation problems in grid-based environments. Designed for grades 10-12, the questions assess students' understanding of sequential programming, conditional logic, and algorithmic problem-solving. Students must demonstrate their ability to trace through code execution, predict robot movement based on directional commands, analyze loop structures with conditional statements, and select appropriate code segments to achieve specific navigation goals. The core concepts required include understanding coordinate systems, directional movement commands, Boolean logic evaluation, and the relationship between visual representations and programmatic instructions. These problems require students to think systematically about problem decomposition, pattern recognition, and logical sequence construction. Created by Ahmet Ilbay, a Computers teacher in US who teaches grade 10-12. This quiz serves as an excellent formative assessment tool for computer science classrooms, particularly effective as a warm-up activity to activate prior knowledge about programming logic or as review material before more complex programming assignments. Teachers can use these questions to gauge student comprehension of basic algorithmic thinking before advancing to actual code writing in programming languages. The visual nature of the robot grid problems makes abstract programming concepts more concrete and accessible, supporting diverse learning styles in the computer science classroom. This assessment aligns with CSTA K-12 Computer Science Standards, specifically 3A-AP-13 (creating prototypes that use algorithms to solve computational problems) and 3A-AP-15 (justifying the selection of specific control structures when tracing through a program).
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4 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following question uses a robot in a grid of squares. The robot is represented as a triangle, which is initially in the bottom left square of the grid and facing right.
Which of the following shows the location of the robot after running the code segment?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The code segment below is intended to move a robot in a grid to a gray square. The program segment uses the procedure GoalReached, which evaluates to true if the robot is in the gray square and evaluates to false otherwise. The robot in each grid is represented as a triangle and is initially facing left. The robot can move into a white or gray square but cannot move into a black region.
For which of the following grids does the code segment NOT correctly move the robot to the gray square?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure below shows a robot in a grid of squares. The robot is represented as a triangle, which is initially facing upward. The robot can move into a white or gray square but cannot move into a black region.
Which of the following code segments will move the robot to the gray square?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following grid contains a robot represented as a triangle. The robot is initially facing right.
Which of the following code segments can be used to move the robot to the gray square along the path indicated by the arrows?
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