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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 134 · 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.

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  1. 1.🔢 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
  2. 2.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page
  3. 3.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  4. 4.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) water it (c) dig a small hole
  5. 5.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) dig a small hole (b) put the seed in
  6. 6.🔢 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
  7. 7.🔢 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
  8. 8.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  9. 9.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) font (d) size
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  12. 12.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  13. 13.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it
  14. 14.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  15. 15.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a painting (c) a program (d) a password
  16. 16.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) tie the end (b) blow air into it
  17. 17.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  18. 18.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) close the book (c) pick up the book (d) read the story
  19. 19.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a folder (c) a pixel (d) an algorithm
  20. 20.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  21. 21.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) dig a small hole (b) cover it with soil
  22. 22.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  23. 23.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  24. 24.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) debugging (d) printing
  25. 25.🔢 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
  26. 26.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
  27. 27.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  28. 28.🔢 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
  29. 29.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) read the story (b) close the book
  30. 30.🐞 What do we call a mistake in a program? (a) a sprite (b) a bug (c) a cell (d) a byte
  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.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a rainbow (c) a recipe (d) a cloud
  33. 33.🔢 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
  34. 34.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) 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 plant a seed, what comes right after “dig a small hole”? (a) water it (b) put the seed in (c) cover it with soil
  37. 37.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  38. 38.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) the way it likes (c) backwards always (d) exactly as written
  39. 39.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
  40. 40.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap

Answer key

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

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