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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 325 · 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 is the FIRST step? (a) pick up the book (b) open the first page (c) close the book (d) read the story
  2. 2.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) a folder (d) an algorithm
  3. 3.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) put the seed in (d) water it
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  7. 7.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a cloud (c) a recipe (d) a rainbow
  8. 8.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) put the seed in (c) dig a small hole (d) water it
  9. 9.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  10. 10.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) wet your hands (b) rub them with soap
  11. 11.🔢 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
  12. 12.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a sprite (d) a cell
  13. 13.🔢 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
  14. 14.🔢 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
  15. 15.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  16. 16.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  17. 17.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  18. 18.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush (d) put on toothpaste
  19. 19.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) order (d) colour
  20. 20.🔢 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
  21. 21.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  22. 22.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) tie the end (b) blow air into it
  23. 23.🔢 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
  24. 24.🔢 To read a storybook, which is the LAST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  25. 25.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  26. 26.🔢 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
  27. 27.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) tie the end (b) take a balloon
  28. 28.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  29. 29.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  30. 30.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  31. 31.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  32. 32.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) cover it with soil (b) dig a small hole
  33. 33.🔢 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
  34. 34.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  35. 35.🔢 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
  36. 36.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  37. 37.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) rub them with soap (c) dry them with a towel
  38. 38.🔢 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
  39. 39.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  40. 40.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap

Answer key

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

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