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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 350 · 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.

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

Answer key

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

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