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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 235 · 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 “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  2. 2.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  3. 3.🐞 What do we call a mistake in a program? (a) a sprite (b) a bug (c) a byte (d) a cell
  4. 4.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  5. 5.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  6. 6.📝 What do we call a list of steps to solve a problem? (a) a folder (b) an algorithm (c) a mouse (d) a pixel
  7. 7.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) font (d) order
  8. 8.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a recipe (c) a pebble (d) a cloud
  9. 9.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) water it (c) cover it with soil (d) dig a small hole
  10. 10.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  11. 11.🔢 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
  12. 12.🔢 To read a storybook, which is the LAST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  13. 13.🔢 To plant a seed, which is the LAST step? (a) water it (b) dig a small hole (c) cover it with soil (d) put the seed in
  14. 14.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  15. 15.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  16. 16.🔢 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
  17. 17.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) play with it (c) take a balloon
  18. 18.📋 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
  19. 19.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) debugging (c) scrolling (d) downloading
  20. 20.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  21. 21.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  22. 22.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) pick up the book (c) open the first page (d) read the story
  23. 23.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) backwards always (c) exactly as written (d) the way it likes
  24. 24.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  25. 25.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  26. 26.🔢 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
  27. 27.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel
  28. 28.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  29. 29.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  30. 30.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  31. 31.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  35. 35.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  36. 36.🔢 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
  37. 37.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  38. 38.🔢 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
  39. 39.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  40. 40.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste

Answer key

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

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