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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 595 · 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.

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

Answer key

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

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