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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 554 · 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.

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  1. 1.🔢 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
  2. 2.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  3. 3.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  4. 4.🔢 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
  5. 5.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) colour (d) size
  6. 6.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
  7. 7.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  8. 8.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a recipe (c) a pebble (d) a rainbow
  9. 9.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) open the first page (d) pick up the book
  10. 10.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) brush all your teeth (d) rinse your mouth
  11. 11.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  12. 12.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  13. 13.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) close the book (c) open the first page
  14. 14.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  15. 15.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) play with it (b) take a balloon
  16. 16.🔢 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
  17. 17.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  18. 18.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  19. 19.🔢 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
  20. 20.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a sprite (d) a byte
  21. 21.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  22. 22.🔢 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
  23. 23.🔢 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
  24. 24.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  25. 25.🔢 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
  26. 26.🔢 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
  27. 27.🤖 A computer follows the steps of a program ___. (a) backwards always (b) the way it likes (c) only on Sundays (d) exactly as written
  28. 28.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) pick up the book (d) close the book
  29. 29.🔢 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
  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: “tie the end” or “blow air into it”? (a) tie the end (b) blow air into it
  32. 32.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) play with it (c) take a balloon
  33. 33.🔢 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
  34. 34.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) wet your hands (c) rinse off the soap (d) dry them with a towel
  35. 35.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap
  36. 36.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) put the seed in (b) cover it with soil
  37. 37.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) read the story (c) close the book
  38. 38.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) dig a small hole (b) cover it with soil
  39. 39.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  40. 40.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste

Answer key

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

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