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Class 5 Computer Worksheet: Algorithms

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

Answer key

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

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