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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 420 · 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) an algorithm (b) a folder (c) a mouse (d) a pixel
  2. 2.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) open the first page (c) read the story (d) pick up the book
  3. 3.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  4. 4.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  5. 5.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  6. 6.🔢 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
  7. 7.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) blow air into it (b) take a balloon
  8. 8.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) water it (d) cover it with soil
  9. 9.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth (d) put on toothpaste
  10. 10.🔢 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
  11. 11.🔢 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
  12. 12.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a poem (c) a painting (d) a program
  13. 13.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  14. 14.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) pick up the book (d) close the book
  15. 15.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  16. 16.🤖 A computer follows the steps of a program ___. (a) backwards always (b) exactly as written (c) the way it likes (d) only on Sundays
  17. 17.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) rinse off the soap (c) wet your hands
  18. 18.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page
  19. 19.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  20. 20.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  21. 21.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap
  22. 22.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  23. 23.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  24. 24.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a recipe (c) a cloud (d) a rainbow
  25. 25.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  26. 26.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a cell (d) a bug
  27. 27.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) wet your hands (c) dry them with a towel
  28. 28.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) printing (c) debugging (d) downloading
  29. 29.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) rub them with soap (b) dry them with a towel
  30. 30.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  31. 31.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  35. 35.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  36. 36.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  37. 37.🔢 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
  38. 38.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  39. 39.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  40. 40.🔢 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

Answer key

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

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