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Class 5 Computer Worksheet: Algorithms

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

Answer key

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

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