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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 837 · 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 do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  2. 2.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) the way it likes (d) exactly as written
  3. 3.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  4. 4.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  5. 5.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) rub them with soap (c) wet your hands (d) rinse off the soap
  6. 6.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) open the first page (c) pick up the book (d) close the book
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  10. 10.🔢 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
  11. 11.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) put the seed in (c) dig a small hole (d) water it
  12. 12.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  13. 13.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) dig a small hole (b) cover it with soil
  14. 14.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  15. 15.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  16. 16.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  17. 17.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  18. 18.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  19. 19.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) play with it (c) take a balloon (d) blow air into it
  20. 20.🔢 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
  21. 21.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) colour (d) order
  22. 22.🔢 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
  23. 23.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  24. 24.🔢 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
  25. 25.🔢 To read a storybook, which is the LAST step? (a) close the book (b) open the first page (c) read the story (d) pick up the book
  26. 26.🔢 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
  27. 27.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  28. 28.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush (d) brush all your teeth
  29. 29.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  30. 30.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  31. 31.🔢 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
  32. 32.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  33. 33.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  34. 34.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) a mouse (d) an algorithm
  35. 35.🐞 What do we call a mistake in a program? (a) a cell (b) a sprite (c) a bug (d) a byte
  36. 36.🔢 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
  37. 37.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) dry them with a towel (c) rub them with soap
  38. 38.🔢 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
  39. 39.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  40. 40.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil

Answer key

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

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