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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 555 · 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 plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  2. 2.🔢 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
  3. 3.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a cloud (c) a rainbow (d) a pebble
  4. 4.🔢 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
  5. 5.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rinse off the soap (c) rub them with soap (d) dry them with a towel
  6. 6.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  7. 7.🔢 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
  8. 8.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) order (d) font
  9. 9.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) play with it (c) tie the end
  10. 10.🐞 What do we call a mistake in a program? (a) a bug (b) a byte (c) a cell (d) a sprite
  11. 11.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush
  12. 12.🔢 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
  13. 13.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) tie the end (b) blow air into it
  14. 14.📋 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
  15. 15.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  16. 16.🔢 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
  17. 17.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  18. 18.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  19. 19.🔢 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
  20. 20.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  21. 21.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) close the book (c) read the story (d) open the first page
  22. 22.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) the way it likes (c) backwards always (d) exactly as written
  23. 23.🔢 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
  24. 24.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) pick up the book (d) close the book
  25. 25.🔢 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
  26. 26.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  27. 27.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) printing (d) debugging
  28. 28.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) read the story (c) close the book
  29. 29.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) put the seed in (d) dig a small hole
  33. 33.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) play with it (c) tie the end (d) blow air into it
  34. 34.🔢 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
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a mouse (c) an algorithm (d) a pixel
  38. 38.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  39. 39.🔢 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
  40. 40.🔢 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

Answer key

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

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