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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 215 · 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 brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  2. 2.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
  3. 3.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) put the seed in (c) cover it with soil
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  7. 7.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a poem (c) a painting (d) a password
  8. 8.🔢 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
  9. 9.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a cloud (c) a recipe (d) a rainbow
  10. 10.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  14. 14.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) blow air into it (c) tie the end (d) take a balloon
  15. 15.🐞 What do we call a mistake in a program? (a) a cell (b) a sprite (c) a bug (d) a byte
  16. 16.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) backwards always (c) only on Sundays (d) exactly as written
  17. 17.🔢 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
  18. 18.🔢 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
  19. 19.🔢 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
  20. 20.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  21. 21.🔢 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
  22. 22.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  23. 23.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) dig a small hole (b) cover it with soil
  24. 24.🔢 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
  25. 25.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) size (d) colour
  26. 26.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  27. 27.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  28. 28.🔢 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
  29. 29.🔢 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
  30. 30.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  31. 31.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  32. 32.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) brush all your teeth (b) rinse your mouth
  33. 33.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) a mouse (d) an algorithm
  34. 34.🔢 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
  35. 35.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) water it (c) cover it with soil (d) dig a small hole
  39. 39.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
  40. 40.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth

Answer key

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

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