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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 45 · 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 “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  2. 2.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  3. 3.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a mouse (d) a folder
  4. 4.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  5. 5.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) pick up the book (c) read the story (d) close the book
  6. 6.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  7. 7.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a poem (c) a painting (d) a program
  8. 8.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) read the story (b) open the first page
  9. 9.🔢 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
  10. 10.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  11. 11.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  12. 12.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  13. 13.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) cover it with soil (b) put the seed in
  14. 14.🔢 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
  15. 15.🔢 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
  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 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
  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.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  20. 20.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  21. 21.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) dig a small hole (c) water it (d) put the seed in
  22. 22.🤖 A computer follows the steps of a program ___. (a) backwards always (b) the way it likes (c) only on Sundays (d) exactly as written
  23. 23.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) brush all your teeth (b) rinse your mouth
  24. 24.🔢 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
  25. 25.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  26. 26.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) wet the toothbrush (b) brush all your teeth
  27. 27.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) open the first page (d) pick up the book
  28. 28.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  32. 32.🔢 To plant a seed, which is the FIRST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  33. 33.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a pebble (c) a rainbow (d) a recipe
  34. 34.🔢 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
  35. 35.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) read the story (c) close the book
  36. 36.🔢 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
  37. 37.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) dry them with a towel (c) wet your hands (d) rub them with soap
  38. 38.🔢 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
  39. 39.🔢 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
  40. 40.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel

Answer key

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

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