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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 672 · 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.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a mouse (c) an algorithm (d) a pixel
  2. 2.🔢 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
  3. 3.🔢 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
  4. 4.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  5. 5.🔢 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
  6. 6.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) pick up the book (c) read the story (d) open the first page
  7. 7.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel (d) wet your hands
  8. 8.🔢 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
  9. 9.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  10. 10.🔢 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
  11. 11.🔢 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
  12. 12.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  13. 13.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  14. 14.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  15. 15.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) colour (d) order
  16. 16.🔢 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
  17. 17.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  18. 18.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth (d) put on toothpaste
  19. 19.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) close the book (b) open the first page
  20. 20.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) put on toothpaste (c) wet the toothbrush (d) rinse your mouth
  21. 21.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  22. 22.📋 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
  23. 23.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) scrolling (d) downloading
  24. 24.🤖 A computer follows the steps of a program ___. (a) backwards always (b) the way it likes (c) only on Sundays (d) exactly as written
  25. 25.🔢 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
  26. 26.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  27. 27.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) rub them with soap (b) dry them with a towel
  28. 28.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  29. 29.🔢 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
  30. 30.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a rainbow (c) a recipe (d) a cloud
  31. 31.🔢 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
  32. 32.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a byte (d) a sprite
  33. 33.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  34. 34.🔢 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
  35. 35.🔢 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
  36. 36.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) blow air into it (c) take a balloon (d) play with it
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 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
  40. 40.🔢 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

Answer key

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

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