Grade 8 Programming with Data Structures Computer Worksheets
Grade 8 computer science practice: Select data structures and abstractions for a program goal.
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Sample programming with data structures questions
Choose the data structure that best fits each program goal. These examples come from the Easy setting; every generated worksheet draws a fresh set.
- The name, grade level and library card number of one student must be stored together as a single item. Which structure fits?
record · list
- Scores must be kept in the order they were entered, and the same score may appear more than once. Which structure fits?
list · dictionary
- During fast play, the total points for each player must be found from the player name. Which structure fits?
stack · dictionary
- An undo feature must reverse the most recent action before any earlier one. Which structure fits?
queue · stack
Check the sample answers
- record
Named fields keep related values of different kinds in one item. - list
An ordered sequence preserves entry order and allows repeats. - dictionary
Lookup by name stays fast as the number of players grows. - stack
The most recently added item is the first one removed.
Practice focus
Choosing a data structure is choosing which operations will be cheap. Order, duplicates, lookup by key and the order items must leave in all point to different structures.
Grade placement is a planning guide for choosing practice. The registry records standard-code mappings as unreviewed, so these pages are not a claim of alignment with a national standard.
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View worksheets →About these worksheets
Select data structures and abstractions for a program goal. These Grade 8 computer science worksheets stay with that single skill: every question is answerable from the printed page, and the answer sheet explains why each answer is correct.
How to use the worksheets
- Choose a difficulty, then read the printed directions before answering the first question.
- Complete the questions on paper, marking one answer for each item.
- Compare the result with the answer sheet and read the short explanation together.
How this practice can help students
Choosing a data structure is choosing which operations will be cheap. Order, duplicates, lookup by key and the order items must leave in all point to different structures. Generating the page again keeps the same learning goal while changing the questions, so a learner can revisit the skill without repeating the same items.
Review and next steps
Ask the learner to say what made one answer better than the others. Grade placement is a planning guide for choosing practice. The registry records standard-code mappings as unreviewed, so these pages are not a claim of alignment with a national standard.
Select data structures and abstractions for a program goal in Grade 8
Grade 8 computer science practice: Select data structures and abstractions for a program goal.
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- Print the sheet and keep the optional answer page to mark it in seconds.
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