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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 456 · 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 do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  2. 2.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  3. 3.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  4. 4.🔢 To read a storybook, which is the LAST step? (a) close the book (b) open the first page (c) read the story (d) pick up the book
  5. 5.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) blow air into it (d) take a balloon
  6. 6.🔢 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
  7. 7.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) water it (c) cover it with soil (d) put the seed in
  8. 8.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  9. 9.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  10. 10.🔢 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
  11. 11.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a password (c) a painting (d) a program
  12. 12.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  13. 13.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) water it (c) dig a small hole (d) cover it with soil
  14. 14.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  15. 15.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a sprite (d) a byte
  16. 16.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  17. 17.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) close the book (c) read the story
  18. 18.🔢 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
  19. 19.🔢 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
  20. 20.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  21. 21.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  22. 22.🔢 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
  23. 23.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) font (d) order
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 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
  27. 27.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a mouse (d) a folder
  28. 28.🔢 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
  29. 29.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  30. 30.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  31. 31.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) tie the end (b) take a balloon
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 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
  40. 40.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a rainbow (c) a recipe (d) a cloud

Answer key

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

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