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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 153 · 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.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) dry them with a towel (c) rub them with soap (d) rinse off the soap
  2. 2.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  3. 3.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) tie the end (c) play with it
  4. 4.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  5. 5.🔢 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
  6. 6.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  7. 7.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) dry them with a towel (c) wet your hands
  8. 8.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) font (d) order
  9. 9.🔢 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
  10. 10.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) debugging (d) printing
  11. 11.🔢 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
  12. 12.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) take a balloon (c) blow air into it (d) play with it
  13. 13.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a poem (c) a painting (d) a password
  14. 14.🔢 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
  15. 15.🤖 A computer follows the steps of a program ___. (a) backwards always (b) exactly as written (c) the way it likes (d) only on Sundays
  16. 16.🔢 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
  17. 17.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  18. 18.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  19. 19.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  20. 20.🔢 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
  21. 21.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a cloud (c) a rainbow (d) a pebble
  22. 22.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  23. 23.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) put the seed in (d) water it
  24. 24.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  25. 25.🔢 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
  26. 26.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  27. 27.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) dig a small hole (c) water it (d) put the seed in
  28. 28.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) an algorithm (d) a mouse
  29. 29.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  30. 30.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) wet the toothbrush (d) rinse your mouth
  31. 31.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) open the first page (d) pick up the book
  32. 32.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a bug (d) a sprite
  33. 33.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  34. 34.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth (d) brush all your teeth
  35. 35.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  36. 36.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  37. 37.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  38. 38.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) put the seed in (b) dig a small hole
  39. 39.🔢 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
  40. 40.🔢 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

Answer key

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

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