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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 661 · 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.

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

Answer key

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

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