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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 794 · 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 “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  2. 2.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) size (d) font
  3. 3.🔢 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
  4. 4.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  5. 5.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
  6. 6.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  7. 7.🔢 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
  8. 8.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  9. 9.🔢 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
  10. 10.🤖 A computer follows the steps of a program ___. (a) backwards always (b) the way it likes (c) only on Sundays (d) exactly as written
  11. 11.🔢 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
  12. 12.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  13. 13.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  14. 14.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  15. 15.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) blow air into it (c) tie the end (d) take a balloon
  16. 16.🔢 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
  17. 17.🔢 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
  18. 18.🔢 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
  19. 19.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) brush all your teeth (b) rinse your mouth
  20. 20.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) cover it with soil (b) dig a small hole
  21. 21.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
  22. 22.🔢 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
  23. 23.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  24. 24.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  25. 25.🔢 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
  26. 26.🔢 To plant a seed, which is the LAST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  27. 27.🔢 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
  28. 28.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  29. 29.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a sprite (d) a byte
  30. 30.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  31. 31.🔢 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
  32. 32.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  33. 33.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) wet the toothbrush (b) brush all your teeth
  34. 34.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) rub them with soap (b) dry them with a towel
  35. 35.🔢 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
  36. 36.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  37. 37.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) tie the end (c) play with it (d) blow air into it
  38. 38.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
  39. 39.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) scrolling (d) downloading
  40. 40.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap

Answer key

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

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