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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 66 · 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.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) backwards always (c) only on Sundays (d) the way it likes
  2. 2.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  3. 3.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
  4. 4.🔢 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
  5. 5.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  6. 6.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  7. 7.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) play with it (c) tie the end (d) take a balloon
  8. 8.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a program (c) a poem (d) a password
  9. 9.🔢 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
  10. 10.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
  11. 11.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  12. 12.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  13. 13.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) put the seed in (b) cover it with soil
  14. 14.🔢 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
  15. 15.🔢 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
  16. 16.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  17. 17.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) play with it (c) tie the end
  18. 18.🔢 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
  19. 19.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  20. 20.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a folder (d) a pixel
  21. 21.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  22. 22.🔢 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
  23. 23.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book
  24. 24.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) pick up the book (c) read the story (d) close the book
  25. 25.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) dry them with a towel (c) rinse off the soap (d) rub them with soap
  26. 26.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a recipe (c) a rainbow (d) a cloud
  27. 27.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a sprite (d) a byte
  28. 28.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) font (c) size (d) order
  29. 29.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  30. 30.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  31. 31.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) scrolling (c) printing (d) downloading
  32. 32.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  33. 33.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
  34. 34.🔢 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
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  38. 38.🔢 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
  39. 39.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  40. 40.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) pick up the book (c) close the book (d) read the story

Answer key

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

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