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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 412 · 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.

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

Answer key

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

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