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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 791 · 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, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  2. 2.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  3. 3.🔢 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
  4. 4.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  5. 5.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  6. 6.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) rub them with soap (c) dry them with a towel
  7. 7.🔢 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
  8. 8.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
  9. 9.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  10. 10.🔢 To read a storybook, which is the LAST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  11. 11.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  12. 12.🔢 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
  13. 13.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a rainbow (c) a pebble (d) a cloud
  14. 14.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  15. 15.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (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 brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush (d) brush all your teeth
  18. 18.🔢 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
  19. 19.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) blow air into it (b) tie the end
  20. 20.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  21. 21.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  22. 22.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) dig a small hole (b) cover it with soil
  23. 23.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) downloading (c) debugging (d) scrolling
  24. 24.🐞 What do we call a mistake in a program? (a) a sprite (b) a byte (c) a cell (d) a bug
  25. 25.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  26. 26.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  27. 27.🔢 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
  28. 28.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  29. 29.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  30. 30.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  31. 31.🔢 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
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) brush all your teeth (b) wet the toothbrush
  35. 35.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  36. 36.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  37. 37.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  38. 38.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book
  39. 39.🔢 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
  40. 40.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) colour (c) size (d) font

Answer key

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

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