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Grade 6 Binary Numbers Worksheet with Answers

Grade 6 (US) · Year 7 (UK) · Class 6 (India) · Computer Science

Unit 1: How Computers Store DataBinary NumbersCSTA 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 6 · Computer Science

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Name

Class

Date

Learning goal: Binary Numbers · 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

1286432168421Each place is worth double the one to its right. Add the places that hold a 1.Example: 0 0 0 0 1 0 1 1 → 8 + 2 + 1 = 11
  1. 1

    What is the binary number 1010 in decimal?

    81402110
  2. 2

    What is the binary number 1011 in decimal?

    81402111
  3. 3

    What is the binary number 11 in decimal?

    80402111
  4. 4

    Write the decimal number 11 in binary.

    8421
  5. 5

    Write the decimal number 5 in binary.

    8421
  6. 6

    Write the decimal number 7 in binary.

    8421
  7. 7

    What is the binary number 111 in decimal?

    80412111
  8. 8

    What is the binary number 1001 in decimal?

    81402011
  9. 9

    What is the binary number 1100 in decimal?

    81412010
  10. 10

    Write the decimal number 15 in binary.

    8421
  11. 11

    What is the binary number 1000 in decimal?

    81402010
  12. 12

    Write the decimal number 9 in binary.

    8421

★ Challenge corner for fast finishers

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?

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Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/6/binary_numbers

Answer key (click to show)
  1. 1.10
  2. 2.11
  3. 3.3
  4. 4.1011
  5. 5.101
  6. 6.111
  7. 7.7
  8. 8.9
  9. 9.12
  10. 10.1111
  11. 11.8
  12. 12.1001
  13. ★5 (challenge corner)

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