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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 362 · 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) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  2. 2.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  3. 3.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  4. 4.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) dig a small hole (c) water it (d) cover it with soil
  5. 5.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) font (c) size (d) order
  6. 6.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a folder (c) an algorithm (d) a pixel
  7. 7.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  8. 8.🔢 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
  9. 9.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
  10. 10.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap
  14. 14.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  15. 15.🔢 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
  16. 16.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) tie the end (d) take a balloon
  17. 17.🔢 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
  18. 18.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) take a balloon (d) blow air into it
  19. 19.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  20. 20.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) cover it with soil (c) water it
  21. 21.🐞 What do we call a mistake in a program? (a) a sprite (b) a bug (c) a byte (d) a cell
  22. 22.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  23. 23.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  24. 24.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a rainbow (c) a cloud (d) a recipe
  25. 25.📋 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
  26. 26.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) close the book (c) pick up the book
  27. 27.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) pick up the book (b) read the story
  28. 28.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  32. 32.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) downloading (c) scrolling (d) debugging
  33. 33.🔢 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
  34. 34.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) read the story (b) close the book
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  38. 38.🔢 To plant a seed, which is the FIRST step? (a) water it (b) dig a small hole (c) put the seed in (d) cover it with soil
  39. 39.🔢 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
  40. 40.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth

Answer key

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

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