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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 671 · 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 read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) open the first page (b) pick up the book
  2. 2.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) a mouse (d) an algorithm
  3. 3.🔢 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
  4. 4.🔢 To read a storybook, which is the LAST step? (a) read the story (b) pick up the book (c) close the book (d) open the first page
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) dig a small hole (c) water it (d) cover it with soil
  7. 7.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) tie the end (b) blow air into it
  8. 8.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap
  9. 9.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  10. 10.🔢 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
  11. 11.🔢 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
  12. 12.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth (d) brush all your teeth
  13. 13.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  14. 14.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) size (d) font
  15. 15.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) cover it with soil (d) put the seed in
  16. 16.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) dig a small hole (c) water it
  17. 17.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  18. 18.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  19. 19.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) take a balloon (c) blow air into it (d) play with it
  23. 23.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  24. 24.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) take a balloon (c) tie the end
  25. 25.🔢 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
  26. 26.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth (d) put on toothpaste
  27. 27.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  28. 28.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  29. 29.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) scrolling (d) debugging
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🐞 What do we call a mistake in a program? (a) a sprite (b) a byte (c) a cell (d) a bug
  33. 33.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) dig a small hole (b) put the seed in
  34. 34.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book
  35. 35.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a poem (c) a program (d) a password
  36. 36.🔢 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
  37. 37.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  38. 38.🔢 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
  39. 39.🔢 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
  40. 40.🔢 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

Answer key

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

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