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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 89 · 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 the steps written in a language a computer understands? (a) a painting (b) a poem (c) a password (d) a program
  2. 2.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) rinse off the soap (c) wet your hands
  3. 3.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) tie the end
  4. 4.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  5. 5.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  6. 6.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  7. 7.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) debugging (c) scrolling (d) downloading
  8. 8.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a recipe (c) a rainbow (d) a cloud
  9. 9.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) blow air into it (b) take a balloon
  10. 10.🔢 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
  11. 11.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a bug (d) a byte
  12. 12.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) cover it with soil (b) put the seed in
  13. 13.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  14. 14.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  15. 15.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  16. 16.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) exactly as written (c) backwards always (d) the way it likes
  17. 17.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush
  18. 18.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  19. 19.🔢 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
  20. 20.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rub them with soap (b) rinse off the soap
  21. 21.🔢 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
  22. 22.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  23. 23.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rub them with soap (c) rinse off the soap (d) dry them with a towel
  24. 24.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  25. 25.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
  26. 26.🔢 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
  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.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  29. 29.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  30. 30.🔢 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
  31. 31.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) pick up the book (c) read the story (d) close the book
  32. 32.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  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.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) order (d) colour
  35. 35.🔢 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
  36. 36.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  37. 37.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  38. 38.🔢 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
  39. 39.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) pick up the book (c) close the book
  40. 40.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush

Answer key

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

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