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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 591 · 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 wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  2. 2.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) an algorithm (d) a folder
  3. 3.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) printing (d) debugging
  4. 4.🔢 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
  5. 5.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  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.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a recipe (c) a pebble (d) a rainbow
  8. 8.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  9. 9.🔢 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
  10. 10.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) pick up the book (b) close the book
  11. 11.🔢 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
  12. 12.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) take a balloon (b) tie the end
  13. 13.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush
  14. 14.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  15. 15.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) the way it likes (c) backwards always (d) only on Sundays
  16. 16.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) colour (d) size
  17. 17.🔢 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
  18. 18.🔢 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
  19. 19.🔢 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
  20. 20.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  21. 21.🔢 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
  22. 22.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) blow air into it (c) tie the end (d) take a balloon
  23. 23.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) take a balloon (d) blow air into it
  24. 24.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  25. 25.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) read the story (c) open the first page (d) pick up the book
  26. 26.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  27. 27.🔢 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
  28. 28.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) water it (c) dig a small hole
  29. 29.🔢 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
  30. 30.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  31. 31.🔢 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
  32. 32.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  33. 33.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) cover it with soil (c) dig a small hole
  34. 34.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  35. 35.🔢 To wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) wet your hands (c) dry them with a towel
  36. 36.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  37. 37.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  38. 38.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  39. 39.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth
  40. 40.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste

Answer key

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

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