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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 589 · 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 wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) dry them with a towel (c) wet your hands
  2. 2.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) colour (d) size
  3. 3.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) read the story (c) pick up the book
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) close the book (c) pick up the book
  10. 10.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) open the first page (c) pick up the book (d) close the book
  11. 11.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) tie the end (c) take a balloon (d) blow air into it
  12. 12.🔢 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
  13. 13.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a poem (c) a program (d) a painting
  14. 14.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
  15. 15.🔢 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
  16. 16.🐞 What do we call a mistake in a program? (a) a bug (b) a sprite (c) a byte (d) a cell
  17. 17.🔢 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
  18. 18.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) blow air into it (c) tie the end
  19. 19.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
  20. 20.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  21. 21.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) downloading (c) debugging (d) printing
  22. 22.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) put the seed in (c) water it (d) dig a small hole
  23. 23.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  24. 24.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) play with it (b) take a balloon
  25. 25.🔢 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
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) play with it (c) blow air into it (d) tie the end
  29. 29.🔢 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
  30. 30.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  31. 31.🔢 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
  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: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  34. 34.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) read the story (b) open the first page
  35. 35.🔢 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
  36. 36.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  37. 37.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  38. 38.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  39. 39.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) read the story (b) close the book
  40. 40.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) a mouse (d) an algorithm

Answer key

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

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