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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 643 · 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 brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  2. 2.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) size (d) colour
  3. 3.🔢 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
  4. 4.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  5. 5.🔢 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
  6. 6.🔢 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
  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.🤖 A computer follows the steps of a program ___. (a) backwards always (b) the way it likes (c) exactly as written (d) only on Sundays
  9. 9.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) blow air into it (c) tie the end (d) take a balloon
  10. 10.🔢 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
  11. 11.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) water it (c) dig a small hole
  12. 12.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap
  13. 13.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) brush all your teeth (d) rinse your mouth
  14. 14.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  15. 15.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  16. 16.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  17. 17.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  18. 18.🔢 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
  19. 19.📋 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
  20. 20.🔢 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
  21. 21.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  22. 22.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a byte (d) a sprite
  23. 23.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) close the book (c) open the first page (d) read the story
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 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
  27. 27.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  28. 28.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) put the seed in (c) cover it with soil
  29. 29.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) blow air into it (b) take a balloon
  30. 30.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  31. 31.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) read the story (b) open the first page
  32. 32.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a mouse (c) a pixel (d) a folder
  33. 33.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  34. 34.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) cover it with soil (c) water it (d) put the seed in
  35. 35.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) rinse off the soap (b) dry them with a towel
  36. 36.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 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
  40. 40.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) water it (c) dig a small hole (d) put the seed in

Answer key

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

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