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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 264 · 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 FIRST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  2. 2.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  3. 3.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  4. 4.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a program (c) a poem (d) a painting
  5. 5.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) tie the end (b) take a balloon
  6. 6.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rinse off the soap (b) rub them with soap
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  10. 10.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a folder (d) a mouse
  11. 11.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) close the book (c) pick up the book
  12. 12.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) dry them with a towel (c) rinse off the soap (d) rub them with soap
  13. 13.🔢 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
  14. 14.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a recipe (c) a rainbow (d) a pebble
  15. 15.🔢 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
  16. 16.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  17. 17.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
  18. 18.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  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.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) close the book (c) read the story (d) pick up the book
  21. 21.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  22. 22.🔢 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
  23. 23.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) blow air into it (b) take a balloon
  24. 24.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  25. 25.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) scrolling (d) debugging
  26. 26.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  27. 27.🔢 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
  28. 28.🔢 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
  29. 29.🔢 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
  30. 30.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  31. 31.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  32. 32.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  33. 33.🔢 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
  34. 34.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) exactly as written (d) the way it likes
  35. 35.🔢 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
  36. 36.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) font (c) order (d) size
  37. 37.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) read the story (c) close the book
  38. 38.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) cover it with soil (b) put the seed in
  39. 39.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  40. 40.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth

Answer key

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

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