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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 137 · 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 LAST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  2. 2.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  3. 3.🔢 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
  4. 4.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a bug (d) a sprite
  5. 5.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel
  6. 6.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  7. 7.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  8. 8.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) colour (d) font
  9. 9.🔢 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
  10. 10.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) wet your hands (c) rinse off the soap
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rub them with soap (c) wet your hands (d) rinse off the soap
  14. 14.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  15. 15.🔢 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
  16. 16.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a painting (c) a program (d) a poem
  17. 17.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) the way it likes (c) exactly as written (d) backwards always
  18. 18.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
  19. 19.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  20. 20.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  21. 21.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  22. 22.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) take a balloon (d) play with it
  23. 23.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  24. 24.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  25. 25.🔢 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
  26. 26.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  27. 27.🔢 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
  28. 28.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) pick up the book (c) close the book (d) read the story
  29. 29.🔢 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
  30. 30.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book
  31. 31.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) open the first page (b) pick up the book
  32. 32.🔢 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
  33. 33.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  34. 34.🔢 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
  35. 35.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) downloading (c) debugging (d) printing
  36. 36.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  37. 37.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  38. 38.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rub them with soap (b) rinse off the soap
  39. 39.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) close the book (c) open the first page (d) read the story
  40. 40.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a mouse (c) a pixel (d) a folder

Answer key

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

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