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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 593 · 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 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
  2. 2.🔢 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
  3. 3.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  4. 4.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) size (d) order
  5. 5.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) play with it (b) tie the end
  6. 6.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  7. 7.🔢 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
  8. 8.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  9. 9.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) tie the end (c) take a balloon (d) play with it
  10. 10.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) put the seed in (b) cover it with soil
  11. 11.🔢 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
  12. 12.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a byte (d) a bug
  13. 13.🔢 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
  14. 14.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel (d) wet your hands
  15. 15.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) put the seed in (c) water it (d) cover it with soil
  16. 16.🔢 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
  17. 17.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  18. 18.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  19. 19.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  20. 20.🔢 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
  21. 21.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) dry them with a towel (c) rinse off the soap
  22. 22.🔢 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
  23. 23.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 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
  27. 27.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) tie the end (b) blow air into it
  28. 28.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a painting (c) a password (d) a program
  29. 29.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) exactly as written (c) backwards always (d) the way it likes
  30. 30.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) open the first page (c) read the story (d) close the book
  31. 31.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  32. 32.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) play with it (d) blow air into it
  33. 33.🔢 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
  34. 34.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) pick up the book (b) open the first page
  35. 35.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) wet your hands (d) rub them with soap
  39. 39.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  40. 40.🔢 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

Answer key

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

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