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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 909 · 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 play with a balloon, what comes right after “take a balloon”? (a) play with it (b) blow air into it (c) tie the end
  2. 2.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  3. 3.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) put on toothpaste (c) wet the toothbrush (d) rinse your mouth
  4. 4.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) scrolling (c) debugging (d) downloading
  5. 5.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
  6. 6.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  7. 7.🔢 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
  8. 8.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a password (c) a program (d) a painting
  9. 9.🔢 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
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  12. 12.🔢 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
  13. 13.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) blow air into it (c) take a balloon (d) tie the end
  14. 14.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush (d) brush all your teeth
  15. 15.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
  16. 16.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  17. 17.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) blow air into it (b) take a balloon
  18. 18.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a recipe (c) a cloud (d) a pebble
  19. 19.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) rinse off the soap (b) dry them with a towel
  20. 20.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  21. 21.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  22. 22.🔢 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
  23. 23.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) dig a small hole (b) cover it with soil
  24. 24.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  25. 25.🔢 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
  26. 26.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) wet your hands (c) dry them with a towel
  27. 27.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) put the seed in (b) cover it with soil
  28. 28.🔢 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
  29. 29.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  30. 30.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a folder (d) a mouse
  31. 31.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
  32. 32.🔢 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
  33. 33.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) water it (c) dig a small hole
  34. 34.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  35. 35.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) open the first page (c) read the story
  38. 38.🔢 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
  39. 39.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) only on Sundays (c) the way it likes (d) backwards always
  40. 40.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth

Answer key

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

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