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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 618 · 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.

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

Answer key

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

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