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Grade 7 Computing Challenge Puzzles Worksheet with Answers
Grade 7 (US) · Year 8 (UK) · Class 7 (India) · Computer Science
Unit 5: Going FurtherChallenge PuzzlesChallenge
Puzzles that stretch computational thinking: bit patterns, logic and clever counting. This free middle 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.comComputing Challenge Puzzles
Grade 7 · Computer Science
Name
Class
Date
Learning goal: Challenge Puzzles
Directions: Read each question carefully and write your answer on the line. Use the diagram to help you.
A robot on a grid can only move forward 1 square, or turn. What is the fewest forward moves to go 3 squares east and 3 squares north?
Answer: 6
RememberBinary place values
- 1
How many different patterns can 4 bits make?
- 2
How many different patterns can 6 bits make?
- 3
What is the largest whole number you can store in 8 bits?
- 4
A robot on a grid can only move forward 1 square, or turn. What is the fewest forward moves to go 3 squares east and 2 squares north?
- 5
What is the largest whole number you can store in 5 bits?
- 6
What is the largest whole number you can store in 9 bits?
- 7
A robot on a grid can only move forward 1 square, or turn. What is the fewest forward moves to go 2 squares east and 2 squares north?
- 8
What is the largest whole number you can store in 10 bits?
- 9
A robot on a grid can only move forward 1 square, or turn. What is the fewest forward moves to go 4 squares east and 2 squares north?
- 10
A robot on a grid can only move forward 1 square, or turn. What is the fewest forward moves to go 4 squares east and 3 squares north?
- 11
How many different patterns can 7 bits make?
- 12
A robot on a grid can only move forward 1 square, or turn. What is the fewest forward moves to go 4 squares east and 1 squares north?
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Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/7/challenge_cs
Answer key — Computing Challenge Puzzles (Grade 7)
- 1.16
- 2.64
- 3.255
- 4.5
- 5.31
- 6.511
- 7.4
- 8.1023
- 9.6
- 10.7
- 11.128
- 12.5
Answer key (click to show)
- 1.16
- 2.64
- 3.255
- 4.5
- 5.31
- 6.511
- 7.4
- 8.1023
- 9.6
- 10.7
- 11.128
- 12.5
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