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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 699 · 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 wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel (d) wet your hands
  2. 2.🔢 To read a storybook, which is the LAST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  3. 3.🔢 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
  4. 4.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) blow air into it (c) take a balloon
  5. 5.🔢 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
  6. 6.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  7. 7.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) brush all your teeth (b) wet the toothbrush
  8. 8.🔢 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
  9. 9.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a folder (d) a mouse
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  12. 12.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rub them with soap (c) dry them with a towel (d) rinse off the soap
  13. 13.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a program (c) a password (d) a painting
  14. 14.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  15. 15.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) pick up the book (c) read the story
  16. 16.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel
  17. 17.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  18. 18.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) play with it (c) tie the end
  19. 19.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  20. 20.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) colour (d) font
  21. 21.🔢 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
  22. 22.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  23. 23.🔢 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
  24. 24.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a sprite (d) a byte
  25. 25.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  26. 26.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a cloud (c) a rainbow (d) a recipe
  27. 27.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) dig a small hole (b) cover it with soil
  28. 28.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page
  29. 29.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  30. 30.🔢 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
  31. 31.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  32. 32.🔢 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
  33. 33.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
  34. 34.🔢 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
  35. 35.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  39. 39.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) printing (c) debugging (d) downloading
  40. 40.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book

Answer key

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

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