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Grade 11 Lists & Arrays Worksheet with Answers
Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Computer Science
Unit 2: ProgrammingData StructuresCSTA 3B-AP-12
Indexing, slicing and changing lists, and finding their length and values. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comLists & Arrays
Grade 11 · Computer Science
Name
Class
Date
Learning goal: Data Structures · CSTA 3B-AP-12
Directions: Read each question carefully and write your answer on the line. Use the diagram to help you.
RememberLists start at index 0
- 1
nums = [9, 47, 22, 2, 41, 26]. What is nums[-3]?
- 2
nums = [38, 44, 14, 49, 39, 34]. What is nums[4]? (Indexes start at 0.)
- 3
nums = [49, 39, 20, 14, 33, 11, 4]. What is nums[1]? (Indexes start at 0.)
- 4
nums = [7, 38, 33, 30, 28, 4, 2]. What is nums[-3]?
- 5
nums = [4, 21, 9, 3, 3, 22, 33]. What is nums[1]? (Indexes start at 0.)
- 6
nums = [47, 8, 7, 8, 44]. What is nums[4]? (Indexes start at 0.)
- 7
nums = [6, 22, 31, 21, 10]. What is nums[0:4]?
- 8
nums = [2, 2, 10, 22, 21]. What is nums[4]? (Indexes start at 0.)
- 9
nums = [21, 41, 33, 30, 9]. What is nums[4]? (Indexes start at 0.)
- 10
nums = [27, 22, 24, 8, 46]. What is nums[4]? (Indexes start at 0.)
- 11
nums = [18, 4, 43, 45, 39, 12]. What is nums[0]? (Indexes start at 0.)
- 12
nums = [1, 44, 28, 11, 49, 30, 34]. What is nums[2]? (Indexes start at 0.)
★ Challenge corner for fast finishers
What is the largest whole number you can store in 8 bits?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/11/lists_arrays
Answer key — Lists & Arrays (Grade 11)
- 1.2
- 2.39
- 3.39
- 4.28
- 5.21
- 6.44
- 7.[6, 22, 31, 21]
- 8.21
- 9.9
- 10.46
- 11.18
- 12.28
- ★255
Answer key (click to show)
- 1.2
- 2.39
- 3.39
- 4.28
- 5.21
- 6.44
- 7.[6, 22, 31, 21]
- 8.21
- 9.9
- 10.46
- 11.18
- 12.28
- ★255 (challenge corner)
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