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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 402 · 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 LAST step? (a) read the story (b) close the book (c) open the first page (d) pick up the book
  2. 2.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a password (d) a poem
  3. 3.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
  4. 4.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  5. 5.🔢 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
  6. 6.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page
  7. 7.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) blow air into it (c) tie the end (d) play with it
  8. 8.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  9. 9.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) debugging (c) printing (d) scrolling
  10. 10.🔢 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
  11. 11.🔢 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
  12. 12.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) close the book (c) open the first page
  13. 13.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  14. 14.🔢 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
  15. 15.🔢 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
  16. 16.🔢 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
  17. 17.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  18. 18.🔢 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
  19. 19.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  20. 20.🔢 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
  21. 21.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  22. 22.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a cloud (c) a rainbow (d) a recipe
  23. 23.🔢 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
  24. 24.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  25. 25.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  26. 26.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  27. 27.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) read the story (b) open the first page
  28. 28.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) exactly as written (d) the way it likes
  29. 29.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap
  30. 30.🔢 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
  31. 31.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) dry them with a towel (c) wet your hands
  32. 32.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a sprite (d) a cell
  33. 33.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) take a balloon (b) play with it
  34. 34.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) pick up the book (c) close the book (d) read the story
  35. 35.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  36. 36.🔢 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
  37. 37.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  38. 38.🔢 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
  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 brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush

Answer key

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

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