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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 436 · 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, what comes right after “rub them with soap”? (a) wet your hands (b) dry them with a towel (c) rinse off the soap
  2. 2.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  3. 3.🔢 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
  4. 4.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  7. 7.🔢 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
  8. 8.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) colour (d) font
  9. 9.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) play with it (c) take a balloon (d) blow air into it
  10. 10.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) close the book (c) pick up the book
  11. 11.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) pick up the book (c) close the book
  12. 12.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) backwards always (c) the way it likes (d) only on Sundays
  13. 13.🔢 To plant a seed, which is the FIRST step? (a) water it (b) dig a small hole (c) put the seed in (d) cover it with soil
  14. 14.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  15. 15.🔢 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
  16. 16.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  17. 17.🔢 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
  18. 18.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  19. 19.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  20. 20.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  21. 21.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) play with it (b) take a balloon
  22. 22.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  23. 23.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a recipe (c) a cloud (d) a pebble
  24. 24.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) pick up the book (c) close the book (d) read the story
  25. 25.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  26. 26.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) read the story (b) close the book
  27. 27.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush (d) brush all your teeth
  28. 28.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  29. 29.🔢 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
  30. 30.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) play with it (c) take a balloon
  31. 31.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) an algorithm (d) a mouse
  36. 36.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  37. 37.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) scrolling (d) debugging
  38. 38.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  39. 39.🔢 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
  40. 40.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page

Answer key

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

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