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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 152 · 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.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a bug (d) a byte
  3. 3.🔢 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
  4. 4.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) blow air into it (c) tie the end (d) play with it
  5. 5.🔢 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
  6. 6.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  7. 7.🔢 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
  8. 8.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a password (c) a poem (d) a program
  9. 9.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) tie the end (b) play with it
  10. 10.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a pebble (c) a rainbow (d) a cloud
  11. 11.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  12. 12.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  13. 13.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  14. 14.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) blow air into it (c) tie the end
  15. 15.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  16. 16.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush (d) put on toothpaste
  17. 17.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) debugging (c) downloading (d) scrolling
  18. 18.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  19. 19.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  20. 20.🔢 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
  21. 21.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  22. 22.🔢 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
  23. 23.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) an algorithm (d) a mouse
  24. 24.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  25. 25.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  26. 26.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) size (d) font
  27. 27.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  28. 28.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  29. 29.🔢 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
  30. 30.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) open the first page (d) pick up the book
  31. 31.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  32. 32.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) read the story (b) pick up the book
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  36. 36.🔢 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
  37. 37.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  38. 38.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) tie the end (d) take a balloon
  39. 39.🔢 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
  40. 40.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush

Answer key

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

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