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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 329 · 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.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  2. 2.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  3. 3.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) dig a small hole (c) water it
  4. 4.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  5. 5.📝 What do we call a list of steps to solve a problem? (a) a folder (b) an algorithm (c) a mouse (d) a pixel
  6. 6.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) size (c) colour (d) order
  7. 7.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) tie the end (c) take a balloon (d) play with it
  8. 8.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth (d) brush all your teeth
  9. 9.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a password (c) a program (d) a painting
  10. 10.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) printing (c) debugging (d) downloading
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  14. 14.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) dig a small hole (c) water it
  15. 15.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  16. 16.🔢 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
  17. 17.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  18. 18.🐞 What do we call a mistake in a program? (a) a cell (b) a sprite (c) a bug (d) a byte
  19. 19.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  27. 27.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) read the story (b) open the first page
  28. 28.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  29. 29.🔢 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
  30. 30.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) pick up the book (c) close the book
  31. 31.🔢 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
  32. 32.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) exactly as written (d) backwards always
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a pebble (c) a cloud (d) a rainbow
  36. 36.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  37. 37.🔢 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
  38. 38.🔢 To plant a seed, which is the LAST step? (a) water it (b) put the seed in (c) dig a small hole (d) cover it with soil
  39. 39.🔢 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
  40. 40.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil

Answer key

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

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