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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 680 · 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, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  2. 2.🔢 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
  3. 3.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  4. 4.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) close the book (c) read the story
  5. 5.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  6. 6.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rinse off the soap (c) dry them with a towel (d) rub them with soap
  7. 7.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) open the first page (b) read the story
  8. 8.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  9. 9.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  10. 10.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a pixel (d) a folder
  11. 11.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) colour (d) font
  12. 12.🔢 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
  13. 13.🤖 A computer follows the steps of a program ___. (a) backwards always (b) the way it likes (c) exactly as written (d) only on Sundays
  14. 14.🔢 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
  15. 15.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) water it (d) put the seed in
  16. 16.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  17. 17.🔢 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
  18. 18.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) read the story (b) pick up the book
  19. 19.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) blow air into it (c) tie the end (d) play with it
  20. 20.🔢 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
  21. 21.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  22. 22.🔢 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
  23. 23.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste (d) brush all your teeth
  24. 24.🔢 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
  25. 25.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  26. 26.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a bug (d) a sprite
  27. 27.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) debugging (c) printing (d) downloading
  28. 28.🔢 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
  29. 29.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  30. 30.🔢 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
  31. 31.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  32. 32.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  33. 33.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  34. 34.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  35. 35.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a program (c) a painting (d) a password
  36. 36.🔢 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
  37. 37.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  38. 38.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) dry them with a towel (c) rub them with soap
  39. 39.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) tie the end (b) play with it
  40. 40.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) play with it (b) take a balloon

Answer key

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

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