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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 914 · 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, what comes right after “rub them with soap”? (a) wet your hands (b) dry them with a towel (c) rinse off the soap
  2. 2.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  3. 3.🔢 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
  4. 4.🔢 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
  5. 5.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) read the story (c) pick up the book
  6. 6.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  7. 7.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a program (c) a poem (d) a password
  8. 8.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) debugging (d) scrolling
  9. 9.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) take a balloon (d) tie the end
  10. 10.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) read the story (b) open the first page
  11. 11.🔢 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
  12. 12.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) backwards always (c) only on Sundays (d) the way it likes
  13. 13.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  14. 14.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) put on toothpaste (c) brush all your teeth (d) rinse your mouth
  15. 15.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) put the seed in (d) water it
  16. 16.🔢 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
  17. 17.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  18. 18.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) font (d) order
  19. 19.🔢 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
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  23. 23.🔢 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
  24. 24.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  25. 25.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  26. 26.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  27. 27.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  28. 28.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) close the book (c) read the story
  32. 32.🔢 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
  33. 33.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  34. 34.🔢 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
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) pick up the book (d) close the book
  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 play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) tie the end (b) take a balloon
  40. 40.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it

Answer key

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

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