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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 246 · 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.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) colour (d) order
  2. 2.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  3. 3.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a password (c) a poem (d) a painting
  4. 4.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) put the seed in (c) water it (d) dig a small hole
  5. 5.🔢 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
  6. 6.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  7. 7.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) play with it (c) tie the end (d) blow air into it
  8. 8.🔢 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
  9. 9.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  10. 10.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  11. 11.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) the way it likes (c) exactly as written (d) backwards always
  12. 12.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap (d) wet your hands
  13. 13.🔢 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
  14. 14.🔢 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
  15. 15.🔢 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
  16. 16.🔢 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
  17. 17.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  18. 18.🔢 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
  19. 19.🔢 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
  20. 20.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a recipe (c) a cloud (d) a rainbow
  21. 21.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  22. 22.🔢 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
  23. 23.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) tie the end (b) play with it
  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 plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  26. 26.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) wet your hands (b) dry them with a towel
  27. 27.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  28. 28.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) wet your hands (c) rinse off the soap
  29. 29.🔢 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
  30. 30.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  31. 31.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a byte (d) a sprite
  32. 32.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  33. 33.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) dry them with a towel (b) rub them with soap
  34. 34.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) play with it (c) blow air into it (d) tie the end
  35. 35.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  36. 36.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) play with it (b) blow air into it
  37. 37.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  38. 38.🔢 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
  39. 39.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) pick up the book (b) open the first page
  40. 40.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush

Answer key

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

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