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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 76 · 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 is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  2. 2.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
  3. 3.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) downloading (c) printing (d) debugging
  4. 4.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  5. 5.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  6. 6.📝 What do we call a list of steps to solve a problem? (a) a folder (b) an algorithm (c) a mouse (d) a pixel
  7. 7.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  8. 8.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  9. 9.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  10. 10.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap
  11. 11.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) blow air into it (d) take a balloon
  12. 12.🔢 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
  13. 13.🔢 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
  14. 14.🔢 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
  15. 15.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) order (d) font
  16. 16.🔢 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
  17. 17.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book
  18. 18.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) close the book (c) pick up the book (d) read the story
  19. 19.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) read the story (b) open the first page
  20. 20.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) pick up the book (b) open the first page
  21. 21.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  22. 22.🤖 A computer follows the steps of a program ___. (a) backwards always (b) exactly as written (c) only on Sundays (d) the way it likes
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  27. 27.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  28. 28.🔢 To read a storybook, which is the LAST step? (a) close the book (b) pick up the book (c) open the first page (d) read the story
  29. 29.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a bug (d) a sprite
  30. 30.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  31. 31.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) take a balloon (d) blow air into it
  32. 32.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  33. 33.🔢 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
  34. 34.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  35. 35.📋 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
  36. 36.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  37. 37.🔢 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
  38. 38.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  39. 39.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  40. 40.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in

Answer key

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

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