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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 658 · 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, which is the LAST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  2. 2.🔢 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
  3. 3.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  4. 4.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) exactly as written (d) the way it likes
  5. 5.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  6. 6.🔢 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
  7. 7.📝 What do we call a list of steps to solve a problem? (a) a folder (b) an algorithm (c) a pixel (d) a mouse
  8. 8.🔢 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
  9. 9.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  10. 10.🔢 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
  11. 11.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a password (c) a poem (d) a painting
  12. 12.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  13. 13.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  14. 14.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) tie the end (c) play with it
  15. 15.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a byte (d) a sprite
  16. 16.🔢 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
  17. 17.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
  18. 18.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  19. 19.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  20. 20.🔢 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
  21. 21.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  22. 22.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  23. 23.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush (d) brush all your teeth
  24. 24.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  25. 25.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  26. 26.🔢 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
  27. 27.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) close the book (c) read the story (d) open the first page
  28. 28.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  29. 29.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  30. 30.🔢 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
  31. 31.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  32. 32.🔢 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
  33. 33.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  34. 34.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) pick up the book (b) read the story
  35. 35.🔢 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
  36. 36.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  37. 37.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a cloud (c) a pebble (d) a rainbow
  38. 38.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  39. 39.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  40. 40.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth

Answer key

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

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