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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 214 · 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 read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page
  2. 2.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  3. 3.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  4. 4.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a poem (d) a password
  5. 5.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) close the book (c) read the story (d) pick up the book
  6. 6.🔢 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
  7. 7.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) take a balloon (d) tie the end
  8. 8.🔢 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
  9. 9.🔢 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
  10. 10.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a folder (d) a mouse
  11. 11.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) tie the end (b) take a balloon
  12. 12.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a recipe (d) a pebble
  13. 13.🔢 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
  14. 14.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book
  15. 15.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  16. 16.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth (d) brush all your teeth
  17. 17.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) backwards always (c) the way it likes (d) only on Sundays
  18. 18.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) debugging (d) printing
  19. 19.🔢 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
  20. 20.🔢 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
  21. 21.🔢 To plant a seed, which is the LAST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  22. 22.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) size (d) colour
  26. 26.🔢 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
  27. 27.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  28. 28.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  29. 29.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  30. 30.🔢 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
  31. 31.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  32. 32.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  33. 33.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  34. 34.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) wet the toothbrush (b) brush all your teeth
  35. 35.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  36. 36.🔢 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
  37. 37.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  38. 38.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  39. 39.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  40. 40.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste

Answer key

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

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