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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 542 · 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.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a recipe (d) a cloud
  2. 2.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  3. 3.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  4. 4.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  8. 8.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
  9. 9.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  10. 10.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) blow air into it (b) play with it
  11. 11.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a folder (c) a mouse (d) a pixel
  12. 12.🔢 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
  13. 13.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a bug (d) a sprite
  14. 14.📋 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
  15. 15.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  16. 16.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  17. 17.🔢 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
  18. 18.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  19. 19.🔢 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
  20. 20.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  21. 21.🔢 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
  22. 22.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) rub them with soap (b) dry them with a towel
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  26. 26.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush (d) brush all your teeth
  27. 27.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  28. 28.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  29. 29.🔢 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
  30. 30.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) tie the end (b) blow air into it
  31. 31.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) open the first page (b) read the story
  32. 32.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) put the seed in (c) dig a small hole (d) water it
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  36. 36.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) size (d) colour
  37. 37.🔢 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
  38. 38.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth (d) brush all your teeth
  39. 39.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  40. 40.🔢 To plant a seed, which is the LAST step? (a) water it (b) cover it with soil (c) put the seed in (d) dig a small hole

Answer key

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

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