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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 230 · 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 “pick up the book”? (a) read the story (b) open the first page (c) close the book
  2. 2.🔢 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
  3. 3.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  4. 4.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a painting (c) a password (d) a program
  5. 5.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  6. 6.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) rinse off the soap (d) dry them with a towel
  7. 7.🤖 A computer follows the steps of a program ___. (a) backwards always (b) only on Sundays (c) the way it likes (d) exactly as written
  8. 8.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a rainbow (c) a recipe (d) a pebble
  9. 9.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) open the first page (b) read the story
  10. 10.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a mouse (c) a folder (d) a pixel
  11. 11.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  12. 12.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  13. 13.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) open the first page (d) pick up the book
  14. 14.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  15. 15.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  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 play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  18. 18.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  19. 19.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) tie the end
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) dig a small hole (c) water it
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  27. 27.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  29. 29.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  30. 30.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  31. 31.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  32. 32.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) blow air into it (b) play with it
  33. 33.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
  34. 34.🔢 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
  35. 35.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  36. 36.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  37. 37.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) scrolling (d) downloading
  38. 38.🔢 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
  39. 39.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  40. 40.🔢 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

Answer key

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

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