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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 378 · 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.

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

Answer key

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

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