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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 698 · 40 questions
TalentJR

Remember (First, next, last): An algorithm = clear steps in the right order; a program = an algorithm written for a computer. To order steps, ask: what must happen before this step can happen? A mistake is a bug; finding and fixing it is debugging.

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  1. 1.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  2. 2.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  3. 3.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  4. 4.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  5. 5.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  6. 6.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) cover it with soil (c) water it (d) put the seed in
  7. 7.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) debugging (d) scrolling
  8. 8.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a pixel (c) a mouse (d) a folder
  9. 9.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) close the book (c) read the story (d) open the first page
  10. 10.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  11. 11.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  12. 12.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  13. 13.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page
  14. 14.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  15. 15.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  16. 16.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  17. 17.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) backwards always (c) exactly as written (d) only on Sundays
  18. 18.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  19. 19.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  20. 20.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  21. 21.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  22. 22.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) pick up the book (c) close the book
  23. 23.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) size (d) colour
  24. 24.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  25. 25.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) blow air into it (c) take a balloon (d) tie the end
  26. 26.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  27. 27.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  28. 28.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  29. 29.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  30. 30.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) tie the end (b) play with it
  31. 31.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  32. 32.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) open the first page (b) pick up the book
  33. 33.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a password (c) a program (d) a painting
  34. 34.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  35. 35.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  36. 36.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) dry them with a towel (b) rinse off the soap
  37. 37.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  38. 38.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  39. 39.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) cover it with soil (c) dig a small hole
  40. 40.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) cover it with soil (b) dig a small hole

Answer key

  1. dry them with a towel
  2. dig a small hole
  3. blow air into it
  4. cover it with soil
  5. rinse your mouth
  6. dig a small hole
  7. debugging
  8. an algorithm
  9. close the book
  10. put on toothpaste
  11. wet the toothbrush
  12. rinse your mouth
  13. close the book
  14. blow air into it
  15. wet your hands
  16. pick up the book
  17. exactly as written
  18. a bug
  19. brush all your teeth
  20. put the seed in
  21. tie the end
  22. read the story
  23. order
  24. rub them with soap
  25. take a balloon
  26. water it
  27. dry them with a towel
  28. put on toothpaste
  29. take a balloon
  30. tie the end
  31. play with it
  32. pick up the book
  33. a program
  34. wet your hands
  35. wet your hands
  36. rinse off the soap
  37. put on toothpaste
  38. wet the toothbrush
  39. cover it with soil
  40. dig a small hole

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