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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 80 · 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 mistake in a program? (a) a cell (b) a sprite (c) a byte (d) a bug
  2. 2.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
  3. 3.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  8. 8.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  9. 9.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) order (c) size (d) font
  10. 10.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) exactly as written (d) backwards always
  11. 11.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  12. 12.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) water it (c) cover it with soil
  13. 13.🔢 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
  14. 14.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
  15. 15.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) open the first page (c) read the story
  16. 16.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  17. 17.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  18. 18.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush (d) brush all your teeth
  19. 19.🔢 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
  20. 20.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) water it (c) dig a small hole
  21. 21.🔢 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
  22. 22.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  23. 23.🔢 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
  24. 24.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a recipe (c) a cloud (d) a rainbow
  25. 25.🔢 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
  26. 26.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  27. 27.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  28. 28.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush (d) put on toothpaste
  29. 29.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rub them with soap (c) wet your hands (d) rinse off the soap
  30. 30.🔢 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
  31. 31.🔢 To wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) wet your hands (c) dry them with a towel
  32. 32.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) blow air into it (b) tie the end
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) tie the end (b) take a balloon
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) pick up the book (d) close the book
  38. 38.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) rub them with soap (b) dry them with a towel
  39. 39.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a painting (c) a program (d) a password
  40. 40.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) pick up the book (b) read the story

Answer key

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

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