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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 124 · 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 “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  2. 2.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  3. 3.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a painting (c) a program (d) a password
  4. 4.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) take a balloon (b) play with it
  5. 5.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  6. 6.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) backwards always (c) exactly as written (d) only on Sundays
  7. 7.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  8. 8.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) water it (c) cover it with soil
  9. 9.🔢 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
  10. 10.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a cell (d) a sprite
  11. 11.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  12. 12.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  13. 13.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rub them with soap (c) rinse off the soap (d) dry them with a towel
  14. 14.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  15. 15.🔢 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
  16. 16.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  17. 17.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) a folder (d) an algorithm
  18. 18.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  19. 19.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  20. 20.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  21. 21.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  22. 22.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  23. 23.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) close the book (c) read the story
  24. 24.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  25. 25.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) downloading (c) printing (d) scrolling
  26. 26.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  27. 27.🔢 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
  28. 28.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  29. 29.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  30. 30.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  31. 31.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) read the story (b) close the book
  32. 32.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) close the book (c) read the story (d) open the first page
  33. 33.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) order (d) font
  34. 34.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) cover it with soil (c) water it
  35. 35.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  36. 36.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  37. 37.🔢 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
  38. 38.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  39. 39.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  40. 40.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book

Answer key

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

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