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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 393 · 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 mouse (b) a pixel (c) an algorithm (d) a folder
  2. 2.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap
  3. 3.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page
  4. 4.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  5. 5.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
  6. 6.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
  7. 7.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  8. 8.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a sprite (d) a byte
  9. 9.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) brush all your teeth (b) rinse your mouth
  10. 10.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  11. 11.🔢 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
  12. 12.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  13. 13.🔢 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
  14. 14.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  15. 15.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste (d) brush all your teeth
  16. 16.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  17. 17.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  18. 18.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) play with it (b) tie the end
  19. 19.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) tie the end (b) take a balloon
  20. 20.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) pick up the book (b) open the first page
  21. 21.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  22. 22.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  23. 23.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  24. 24.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  25. 25.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) order (d) font
  26. 26.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) put the seed in (c) water it (d) dig a small hole
  27. 27.🔢 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
  28. 28.🤖 A computer follows the steps of a program ___. (a) backwards always (b) exactly as written (c) only on Sundays (d) the way it likes
  29. 29.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) dry them with a towel (b) rinse off the soap
  30. 30.🔢 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
  31. 31.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) close the book (c) pick up the book (d) read the story
  32. 32.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  33. 33.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  34. 34.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  35. 35.🔢 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
  36. 36.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  37. 37.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a program (c) a password (d) a poem
  38. 38.🔢 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
  39. 39.🔢 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
  40. 40.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) dry them with a towel (c) wet your hands

Answer key

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

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