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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 492 · 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.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a rainbow (c) a recipe (d) a pebble
  2. 2.🔢 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
  3. 3.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) take a balloon (d) blow air into it
  4. 4.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a folder (c) a pixel (d) a mouse
  5. 5.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) water it (c) dig a small hole
  6. 6.🔢 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
  7. 7.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  8. 8.🔢 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
  9. 9.🔢 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
  10. 10.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  11. 11.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) blow air into it (c) take a balloon
  12. 12.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  13. 13.🔢 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
  14. 14.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
  15. 15.🔢 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
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  17. 17.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) size (c) colour (d) order
  18. 18.🔢 To plant a seed, which is the FIRST step? (a) water it (b) put the seed in (c) dig a small hole (d) cover it with soil
  19. 19.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  23. 23.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  24. 24.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) printing (c) downloading (d) debugging
  25. 25.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  26. 26.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  27. 27.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
  28. 28.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
  29. 29.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a byte (d) a bug
  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 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
  32. 32.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  33. 33.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
  34. 34.🔢 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
  35. 35.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  36. 36.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
  37. 37.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  38. 38.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) dry them with a towel (b) rub them with soap
  39. 39.🔢 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
  40. 40.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) close the book (c) open the first page

Answer key

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

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