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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 440 · 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, what comes right after “rinse off the soap”? (a) wet your hands (b) rub them with soap (c) dry them with a towel
  2. 2.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  3. 3.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  4. 4.🔢 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
  5. 5.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rinse off the soap (c) dry them with a towel (d) rub them with soap
  6. 6.🔢 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
  7. 7.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  8. 8.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) take a balloon (b) tie the end
  9. 9.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) brush all your teeth (b) rinse your mouth
  10. 10.🔢 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
  11. 11.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  12. 12.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  13. 13.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) dry them with a towel (c) rinse off the soap
  14. 14.🔢 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
  15. 15.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a painting (c) a poem (d) a program
  16. 16.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  17. 17.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  18. 18.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  19. 19.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a mouse (c) a pixel (d) a folder
  20. 20.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  21. 21.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth (d) put on toothpaste
  22. 22.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  23. 23.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  24. 24.🔢 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
  25. 25.🤖 A computer follows the steps of a program ___. (a) backwards always (b) exactly as written (c) the way it likes (d) only on Sundays
  26. 26.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  27. 27.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) size (d) order
  28. 28.🔢 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
  29. 29.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) dry them with a towel (b) rinse off the soap
  30. 30.🔢 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
  31. 31.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) scrolling (d) downloading
  32. 32.🔢 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
  33. 33.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) put the seed in (c) water it (d) dig a small hole
  34. 34.🔢 To read a storybook, which is the LAST step? (a) close the book (b) pick up the book (c) read the story (d) open the first page
  35. 35.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap
  36. 36.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
  37. 37.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) blow air into it (b) play with it
  38. 38.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) play with it (b) take a balloon
  39. 39.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  40. 40.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) water it (d) put the seed in

Answer key

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

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