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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 639 · 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 play with a balloon, which is the LAST step? (a) take a balloon (b) play with it (c) tie the end (d) blow air into it
  2. 2.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  3. 3.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  4. 4.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
  5. 5.🔢 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
  6. 6.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  7. 7.🔢 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
  8. 8.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) dig a small hole (c) water it
  9. 9.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush (d) brush all your teeth
  10. 10.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) play with it (c) take a balloon (d) tie the end
  11. 11.🔢 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
  12. 12.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  13. 13.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  14. 14.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) debugging (c) scrolling (d) printing
  15. 15.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  16. 16.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  17. 17.🔢 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
  18. 18.🔢 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
  19. 19.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) size (c) order (d) colour
  20. 20.🔢 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
  21. 21.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  22. 22.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  23. 23.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a poem (c) a program (d) a painting
  24. 24.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  25. 25.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  26. 26.🔢 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
  27. 27.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a bug (d) a sprite
  28. 28.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a recipe (c) a cloud (d) a pebble
  29. 29.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) blow air into it (c) tie the end
  30. 30.🔢 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
  31. 31.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) close the book (c) open the first page
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  35. 35.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  36. 36.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  37. 37.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) a folder (d) an algorithm
  38. 38.🔢 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
  39. 39.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  40. 40.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it

Answer key

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

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