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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 552 · 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 play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  2. 2.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) put on toothpaste (c) wet the toothbrush (d) rinse your mouth
  3. 3.🔢 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
  4. 4.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) water it (c) put the seed in (d) dig a small hole
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page
  8. 8.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) an algorithm (d) a mouse
  9. 9.🔢 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
  10. 10.🔢 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
  11. 11.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  12. 12.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  13. 13.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  14. 14.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  15. 15.🔢 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
  16. 16.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap (d) wet your hands
  17. 17.🔢 To read a storybook, which is the LAST step? (a) close the book (b) pick up the book (c) read the story (d) open the first page
  18. 18.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) open the first page (c) read the story (d) pick up the book
  19. 19.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) water it (c) cover it with soil (d) dig a small hole
  20. 20.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush
  24. 24.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) tie the end (c) play with it
  25. 25.🔢 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
  26. 26.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  27. 27.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) put the seed in (b) dig a small hole
  28. 28.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) tie the end (b) play with it
  29. 29.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  30. 30.🔢 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
  31. 31.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  32. 32.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  33. 33.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) put the seed in (b) cover it with soil
  34. 34.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) font (d) order
  35. 35.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) debugging (c) downloading (d) printing
  36. 36.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  37. 37.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  38. 38.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  39. 39.🔢 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
  40. 40.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) tie the end

Answer key

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

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