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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 382 · 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, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  2. 2.🔢 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
  3. 3.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  4. 4.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) backwards always (c) only on Sundays (d) the way it likes
  5. 5.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  6. 6.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) take a balloon (b) tie the end
  7. 7.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  8. 8.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  9. 9.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  10. 10.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a mouse (d) a folder
  11. 11.🔢 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
  12. 12.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  13. 13.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) brush all your teeth (b) wet the toothbrush
  14. 14.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  15. 15.🔢 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
  16. 16.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  17. 17.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  18. 18.🔢 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
  19. 19.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) colour (d) font
  20. 20.📋 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
  21. 21.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth (d) put on toothpaste
  22. 22.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  23. 23.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  24. 24.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
  25. 25.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) close the book (c) pick up the book
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) close the book (c) pick up the book (d) read the story
  29. 29.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth (d) put on toothpaste
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 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
  33. 33.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) cover it with soil (b) dig a small hole
  34. 34.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  35. 35.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) pick up the book (c) read the story (d) close the book
  38. 38.🔢 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
  39. 39.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rinse off the soap (b) rub them with soap
  40. 40.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page

Answer key

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

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