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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 210 · 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 plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  2. 2.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) water it (c) dig a small hole (d) cover it with soil
  3. 3.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  4. 4.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a painting (c) a poem (d) a program
  5. 5.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) dry them with a towel (c) wet your hands
  6. 6.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  7. 7.🔢 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
  8. 8.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  9. 9.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) cover it with soil (c) dig a small hole
  10. 10.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) size (c) order (d) colour
  11. 11.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) only on Sundays (c) backwards always (d) the way it likes
  12. 12.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) pick up the book (c) close the book (d) read the story
  13. 13.🔢 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
  14. 14.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a sprite (d) a cell
  15. 15.🔢 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
  16. 16.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  17. 17.🔢 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
  18. 18.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) read the story (c) close the book (d) open the first page
  19. 19.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  20. 20.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  21. 21.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) play with it (c) tie the end
  22. 22.🔢 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
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) blow air into it (c) tie the end (d) play with it
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  29. 29.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  33. 33.🔢 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
  34. 34.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  35. 35.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  36. 36.🔢 To plant a seed, which is the FIRST step? (a) water it (b) put the seed in (c) dig a small hole (d) cover it with soil
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  40. 40.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book

Answer key

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

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