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Grade 7 Flowcharts Worksheet with Answers

Grade 7 (US) · Year 8 (UK) · Class 7 (India) · Computer Science

Unit 2: Algorithms & LoopsFlowcharts with DecisionsCSTA 2-AP-10

Following flowcharts with decisions and loops to find the output for a given input. 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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Flowcharts

Grade 7 · Computer Science

Score___ / 12

Name

Class

Date

Learning goal: Flowcharts with Decisions · CSTA 2-AP-10

Directions: Read each question carefully and write your answer on the line. Use the diagram to help you.

RememberFlowchart symbols

Start / StopovalProcessrectangleInput / OutputparallelogramDecisiondiamond: yes / no
  1. 1

    Follow the flowchart with x = 15. What is the output?

    StartInput x = 15x > 10?yesnox = x − 7x = x × 3Output xStop
  2. 2

    Follow the flowchart with x = 1. What is the output?

    StartInput x = 1x > 17?yesnox = x − 5x = x × 2Output xStop
  3. 3

    Follow the flowchart with x = 18. What is the output?

    StartInput x = 18x > 20?yesnox = x − 1x = x × 2Output xStop
  4. 4

    Follow the flowchart with x = 5. What is the output?

    StartInput x = 5x > 18?yesnox = x − 2x = x × 4Output xStop
  5. 5

    Follow the flowchart with x = 6. What is the output?

    StartInput x = 6x > 15?yesnox = x − 1x = x × 3Output xStop
  6. 6

    Follow the flowchart with x = 8. What is the output?

    StartInput x = 8x > 6?yesnox = x − 2x = x × 2Output xStop
  7. 7

    Follow the flowchart with x = 9. What is the output?

    StartInput x = 9x > 14?yesnox = x − 6x = x × 3Output xStop
  8. 8

    Follow the flowchart with x = 5. What is the output?

    StartInput x = 5x > 20?yesnox = x − 7x = x × 3Output xStop
  9. 9

    Follow the flowchart with x = 17. What is the output?

    StartInput x = 17x > 20?yesnox = x − 7x = x × 2Output xStop
  10. 10

    Follow the flowchart with x = 19. What is the output?

    StartInput x = 19x > 19?yesnox = x − 9x = x × 3Output xStop
  11. 11

    Follow the flowchart with x = 15. What is the output?

    StartInput x = 15x > 17?yesnox = x − 7x = x × 4Output xStop
  12. 12

    Follow the flowchart with x = 10. What is the output?

    StartInput x = 10x > 12?yesnox = x − 4x = x × 2Output xStop

★ 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/7/flowcharts

Answer key (click to show)
  1. 1.8
  2. 2.2
  3. 3.36
  4. 4.20
  5. 5.18
  6. 6.6
  7. 7.27
  8. 8.15
  9. 9.34
  10. 10.57
  11. 11.60
  12. 12.20
  13. ★5 (challenge corner)

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