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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 849 · 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.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a bug (d) a byte
  2. 2.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  3. 3.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a pixel (c) a mouse (d) a folder
  4. 4.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) colour (c) font (d) size
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) cover it with soil (c) water it
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 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
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) brush all your teeth (c) put on toothpaste (d) rinse your mouth
  12. 12.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) open the first page (d) pick up the book
  13. 13.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  14. 14.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) open the first page (b) read the story
  15. 15.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  16. 16.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) blow air into it (c) take a balloon
  17. 17.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  18. 18.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) the way it likes (c) backwards always (d) only on Sundays
  19. 19.🔢 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
  20. 20.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) pick up the book (c) close the book
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  24. 24.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
  25. 25.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) put the seed in (c) water it (d) dig a small hole
  26. 26.🔢 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
  27. 27.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  28. 28.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  29. 29.🔢 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
  30. 30.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a pebble (d) a recipe
  31. 31.🔢 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
  32. 32.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  33. 33.🔢 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
  34. 34.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) open the first page (c) read the story
  35. 35.🔢 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
  36. 36.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) read the story (b) pick up the book
  37. 37.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) open the first page (b) pick up the book
  38. 38.🔢 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
  39. 39.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) tie the end (c) play with it
  40. 40.🔢 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

Answer key

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

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