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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 890 · 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.

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

Answer key

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

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