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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 887 · 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 “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  2. 2.🔢 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
  3. 3.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) colour (d) font
  4. 4.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  5. 5.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  6. 6.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) put the seed in (b) dig a small hole
  7. 7.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  8. 8.🔢 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
  9. 9.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  10. 10.🔢 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
  11. 11.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) tie the end (c) play with it
  12. 12.🔢 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
  13. 13.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  14. 14.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  15. 15.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  17. 17.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) a mouse (d) an algorithm
  18. 18.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) blow air into it (c) take a balloon (d) tie the end
  19. 19.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
  20. 20.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  21. 21.🔢 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
  22. 22.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) downloading (c) printing (d) scrolling
  23. 23.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  24. 24.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a rainbow (c) a cloud (d) a pebble
  25. 25.🔢 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
  26. 26.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  27. 27.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) rub them with soap (c) wet your hands
  28. 28.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) blow air into it (d) tie the end
  29. 29.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  30. 30.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) open the first page (d) pick up the book
  31. 31.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  32. 32.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  33. 33.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a cell (d) a bug
  34. 34.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  35. 35.🔢 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
  36. 36.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  37. 37.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a password (c) a program (d) a painting
  38. 38.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) pick up the book (c) read the story (d) open the first page
  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 read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page

Answer key

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

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