Grade 8 Binary Numbers Worksheet with Answers
Grade 8 (US) · Year 9 (UK) · Class 8 (India) · Computer Science
Unit 1: Representing DataBinaryCSTA 2-DA-07
Converting between binary and decimal with place values 1, 2, 4, 8 … and adding binary numbers. 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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Binary Numbers
Grade 8 · Computer Science
Name
Class
Date
Learning goal: Binary · CSTA 2-DA-07
Directions: Read each question carefully and write your answer on the line. Use the diagram to help you.
RememberBinary place values
- 1
What is the binary number 10001110 in decimal?
- 2
What is the binary number 110000 in decimal?
- 3
What is the binary number 11110100 in decimal?
- 4
What is the binary number 11001001 in decimal?
- 5
What is the binary number 10011100 in decimal?
- 6
What is the binary number 1110 in decimal?
- 7
Write the decimal number 62 in binary.
- 8
What is the binary number 11001100 in decimal?
- 9
What is the binary number 11111101 in decimal?
- 10
What is the binary number 10010000 in decimal?
- 11
Write the decimal number 181 in binary.
- 12
Write the decimal number 189 in binary.
★ Challenge corner for fast finishers
How many different patterns can 4 bits make?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/8/binary_numbers
Answer key — Binary Numbers (Grade 8)
- 1.142
- 2.48
- 3.244
- 4.201
- 5.156
- 6.14
- 7.111110
- 8.204
- 9.253
- 10.144
- 11.10110101
- 12.10111101
- ★16
Answer key (click to show)
- 1.142
- 2.48
- 3.244
- 4.201
- 5.156
- 6.14
- 7.111110
- 8.204
- 9.253
- 10.144
- 11.10110101
- 12.10111101
- ★16 (challenge corner)
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