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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 249 · 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.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  2. 2.🔢 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
  3. 3.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) a mouse (d) an algorithm
  4. 4.🔢 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
  5. 5.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) take a balloon (c) blow air into it (d) tie the end
  6. 6.🔢 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
  7. 7.🔢 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
  8. 8.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) close the book (b) open the first page
  9. 9.🔢 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
  10. 10.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rinse off the soap (c) dry them with a towel (d) rub them with soap
  11. 11.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) water it (c) cover it with soil (d) put the seed in
  12. 12.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  13. 13.🔢 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
  14. 14.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) pick up the book (c) close the book
  15. 15.🔢 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
  16. 16.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth
  17. 17.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  18. 18.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a poem (d) a password
  19. 19.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  20. 20.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  21. 21.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) downloading (c) printing (d) debugging
  22. 22.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  23. 23.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  24. 24.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  25. 25.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  26. 26.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
  27. 27.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  28. 28.🔢 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
  29. 29.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  30. 30.🔢 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
  31. 31.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  32. 32.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  33. 33.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  34. 34.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) colour (d) font
  35. 35.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it
  36. 36.🔢 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
  37. 37.🤖 A computer follows the steps of a program ___. (a) backwards always (b) exactly as written (c) the way it likes (d) only on Sundays
  38. 38.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  39. 39.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
  40. 40.🔢 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

Answer key

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

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