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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 475 · 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 mistake in a program? (a) a bug (b) a cell (c) a byte (d) a sprite
  2. 2.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) read the story (c) close the book
  3. 3.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  4. 4.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth
  8. 8.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  9. 9.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) wet your hands (c) rinse off the soap
  10. 10.🔢 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
  11. 11.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) take a balloon (c) tie the end (d) play with it
  12. 12.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  13. 13.🔢 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
  14. 14.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) close the book (c) read the story (d) pick up the book
  15. 15.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) exactly as written (c) the way it likes (d) backwards always
  16. 16.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) water it (c) put the seed in (d) dig a small hole
  17. 17.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  18. 18.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  19. 19.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) debugging (d) printing
  23. 23.🔢 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
  24. 24.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  25. 25.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  26. 26.🔢 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
  27. 27.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  28. 28.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) take a balloon (b) play with it
  29. 29.🔢 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
  30. 30.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  31. 31.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  32. 32.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) take a balloon (b) tie the end
  33. 33.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  34. 34.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  35. 35.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) play with it (c) blow air into it (d) tie the end
  36. 36.🔢 To plant a seed, which is the LAST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) font (c) size (d) order
  40. 40.🔢 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

Answer key

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

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