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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 247 · 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 read a storybook, which is the FIRST step? (a) close the book (b) pick up the book (c) open the first page (d) read the story
  2. 2.🔢 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
  3. 3.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  4. 4.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) put the seed in (d) dig a small hole
  5. 5.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) exactly as written (d) the way it likes
  6. 6.🔢 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
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  10. 10.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a password (c) a painting (d) a poem
  14. 14.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  15. 15.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  16. 16.🔢 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
  17. 17.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  18. 18.🔢 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
  19. 19.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) pick up the book (b) open the first page
  20. 20.🔢 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
  21. 21.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  22. 22.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) size (c) colour (d) order
  23. 23.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  24. 24.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  25. 25.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) wet your hands (b) dry them with a towel
  26. 26.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) water it (d) put the seed in
  27. 27.🔢 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
  28. 28.🔢 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
  29. 29.🐞 What do we call a mistake in a program? (a) a cell (b) a sprite (c) a byte (d) a bug
  30. 30.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) a folder (d) an algorithm
  31. 31.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  32. 32.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) play with it (b) tie the end
  33. 33.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) rinse off the soap (b) dry them with a towel
  34. 34.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) dry them with a towel (b) rub them with soap
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap
  38. 38.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  39. 39.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  40. 40.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page

Answer key

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

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