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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 469 · 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 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
  2. 2.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) rinse off the soap (b) dry them with a towel
  3. 3.🔢 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
  4. 4.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth (d) brush all your teeth
  5. 5.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  6. 6.🔢 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
  7. 7.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) close the book (c) open the first page
  8. 8.📋 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
  9. 9.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  10. 10.🔢 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
  11. 11.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a pebble (c) a rainbow (d) a recipe
  12. 12.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) pick up the book (b) close the book
  13. 13.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) a folder (d) an algorithm
  14. 14.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) put the seed in (c) dig a small hole (d) water it
  15. 15.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  16. 16.🔢 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
  17. 17.🔢 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
  18. 18.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  19. 19.🔢 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
  20. 20.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) size (d) font
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  24. 24.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  25. 25.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) tie the end (c) play with it
  26. 26.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rinse off the soap (b) rub them with soap
  27. 27.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  28. 28.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) debugging (c) printing (d) scrolling
  29. 29.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) backwards always (c) only on Sundays (d) the way it likes
  30. 30.🔢 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
  31. 31.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  32. 32.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  33. 33.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  34. 34.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) put on toothpaste (c) brush all your teeth (d) rinse your mouth
  35. 35.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) rinse off the soap (c) wet your hands
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  40. 40.🔢 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

Answer key

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

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