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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 227 · 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) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  2. 2.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) the way it likes (c) only on Sundays (d) backwards always
  3. 3.🔢 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
  4. 4.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  5. 5.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel
  6. 6.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 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
  10. 10.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  11. 11.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  12. 12.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  13. 13.🔢 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
  14. 14.🔢 To plant a seed, which is the LAST step? (a) water it (b) dig a small hole (c) put the seed in (d) cover it with soil
  15. 15.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) pick up the book (b) read the story
  16. 16.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  17. 17.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) colour (d) size
  18. 18.🔢 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
  19. 19.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) pick up the book (c) close the book
  20. 20.🔢 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
  21. 21.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  22. 22.🔢 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
  23. 23.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a byte (d) a bug
  24. 24.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) a mouse (d) an algorithm
  25. 25.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  26. 26.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  27. 27.🔢 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
  28. 28.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) water it (d) put the seed in
  29. 29.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  30. 30.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  31. 31.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  32. 32.🔢 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
  33. 33.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  34. 34.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) wet your hands (b) dry them with a towel
  35. 35.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) tie the end (b) take a balloon
  39. 39.🔢 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
  40. 40.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a poem (c) a password (d) a program

Answer key

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

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