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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 131 · 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 do we do first: “wet your hands” or “dry them with a towel”? (a) wet your hands (b) dry them with a towel
  2. 2.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) cover it with soil (b) dig a small hole
  3. 3.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) tie the end (b) play with it
  4. 4.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) water it (c) cover it with soil
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, which is the FIRST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  7. 7.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a recipe (c) a cloud (d) a rainbow
  8. 8.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  9. 9.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth (d) put on toothpaste
  12. 12.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) dry them with a towel (c) wet your hands
  13. 13.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  14. 14.🔢 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
  15. 15.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  16. 16.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  17. 17.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  18. 18.🔢 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
  19. 19.🔢 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
  20. 20.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a poem (d) a password
  21. 21.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) font (d) size
  22. 22.🔢 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
  23. 23.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  24. 24.🔢 To plant a seed, which is the LAST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  25. 25.🔢 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
  26. 26.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) dry them with a towel (b) rub them with soap
  27. 27.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  28. 28.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) debugging (d) printing
  29. 29.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
  30. 30.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) read the story (c) pick up the book
  31. 31.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  32. 32.🔢 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
  33. 33.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  34. 34.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  35. 35.🔢 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
  36. 36.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  37. 37.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  38. 38.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a mouse (c) an algorithm (d) a pixel
  39. 39.🔢 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
  40. 40.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth

Answer key

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

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