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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 664 · 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, which is the FIRST step? (a) blow air into it (b) tie the end (c) take a balloon (d) play with it
  2. 2.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  3. 3.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) close the book (c) open the first page (d) read the story
  7. 7.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) exactly as written (d) backwards always
  8. 8.🔢 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
  9. 9.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a byte (d) a sprite
  10. 10.🔢 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
  11. 11.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  12. 12.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  13. 13.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  14. 14.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a mouse (c) an algorithm (d) a pixel
  15. 15.🔢 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
  16. 16.🔢 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
  17. 17.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  18. 18.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
  19. 19.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) dig a small hole (c) water it (d) put the seed in
  20. 20.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a password (c) a poem (d) a program
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  24. 24.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  25. 25.🔢 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
  26. 26.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  27. 27.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  28. 28.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) water it (c) dig a small hole
  32. 32.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) dig a small hole (b) cover it with soil
  33. 33.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  34. 34.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush (d) put on toothpaste
  35. 35.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) downloading (d) scrolling
  39. 39.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  40. 40.🔢 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

Answer key

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

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