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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 370 · 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.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) exactly as written (d) the way it likes
  2. 2.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  3. 3.🔢 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
  4. 4.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) colour (c) size (d) font
  5. 5.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  6. 6.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  7. 7.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  8. 8.🔢 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
  9. 9.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) play with it (b) take a balloon
  10. 10.🔢 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
  11. 11.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a mouse (c) an algorithm (d) a pixel
  12. 12.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  13. 13.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  14. 14.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  15. 15.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  17. 17.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) water it (c) cover it with soil (d) dig a small hole
  18. 18.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rinse off the soap (c) rub them with soap (d) dry them with a towel
  19. 19.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth (d) brush all your teeth
  20. 20.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  21. 21.🔢 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
  22. 22.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) downloading (c) scrolling (d) printing
  23. 23.🔢 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
  24. 24.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
  25. 25.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) tie the end
  26. 26.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  27. 27.🔢 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
  28. 28.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  29. 29.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  30. 30.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a poem (c) a password (d) a program
  31. 31.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a recipe (d) a pebble
  32. 32.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) read the story (c) pick up the book (d) close the book
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🔢 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
  36. 36.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  37. 37.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) put the seed in (b) cover it with soil
  38. 38.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap
  39. 39.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  40. 40.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) play with it (c) take a balloon

Answer key

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

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