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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 408 · 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 brush your teeth, which is the FIRST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
  2. 2.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  3. 3.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel
  4. 4.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  7. 7.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  8. 8.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) close the book (c) pick up the book
  9. 9.🔢 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
  10. 10.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) pick up the book (b) read the story
  11. 11.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap
  12. 12.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  13. 13.🔢 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
  14. 14.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) water it (c) cover it with soil
  15. 15.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  16. 16.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) open the first page (c) close the book (d) read the story
  17. 17.🔢 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
  18. 18.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  19. 19.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  20. 20.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  21. 21.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  22. 22.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) wet your hands (c) dry them with a towel
  29. 29.🔢 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
  30. 30.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) order (d) colour
  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 read a storybook, which is the LAST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🐞 What do we call a mistake in a program? (a) a sprite (b) a bug (c) a cell (d) a byte
  36. 36.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) a folder (d) an algorithm
  37. 37.🔢 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
  38. 38.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a painting (c) a program (d) a poem
  39. 39.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  40. 40.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) tie the end (b) play with it

Answer key

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

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