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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 823 · 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 brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  2. 2.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  3. 3.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) printing (d) debugging
  4. 4.🔢 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
  5. 5.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) rinse off the soap (c) wet your hands
  6. 6.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  7. 7.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) blow air into it (c) tie the end
  8. 8.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  9. 9.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rinse off the soap (c) dry them with a towel (d) rub them with soap
  10. 10.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
  11. 11.🔢 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
  12. 12.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) open the first page (c) read the story
  13. 13.🔢 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
  14. 14.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a pebble (c) a rainbow (d) a cloud
  15. 15.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
  16. 16.🔢 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
  17. 17.🔢 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
  18. 18.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) pick up the book (b) close the book
  19. 19.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  20. 20.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rinse off the soap (c) rub them with soap (d) dry them with a towel
  21. 21.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  22. 22.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  23. 23.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  24. 24.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) colour (d) font
  25. 25.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) play with it (c) tie the end (d) blow air into it
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 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
  29. 29.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) read the story (b) pick up the book
  30. 30.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  31. 31.🔢 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
  32. 32.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) only on Sundays (c) backwards always (d) the way it likes
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a program (c) a poem (d) a password
  36. 36.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  37. 37.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  38. 38.🔢 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
  39. 39.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  40. 40.🔢 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

Answer key

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

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