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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 912 · 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 wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) dry them with a towel (c) wet your hands
  2. 2.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush (d) brush all your teeth
  3. 3.🔢 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
  4. 4.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rinse off the soap (d) rub them with soap
  5. 5.🐞 What do we call a mistake in a program? (a) a sprite (b) a byte (c) a bug (d) a cell
  6. 6.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  7. 7.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) colour (d) size
  8. 8.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) tie the end (c) blow air into it (d) take a balloon
  9. 9.🔢 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
  10. 10.🔢 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
  11. 11.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  12. 12.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  13. 13.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  14. 14.🔢 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
  15. 15.🔢 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
  16. 16.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  17. 17.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) play with it (c) blow air into it (d) tie the end
  18. 18.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  19. 19.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) water it (d) put the seed in
  20. 20.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a program (c) a password (d) a painting
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  24. 24.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
  25. 25.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  26. 26.🔢 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
  27. 27.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) tie the end (c) play with it
  28. 28.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) water it (c) put the seed in (d) dig a small hole
  29. 29.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) take a balloon (b) play with it
  30. 30.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  31. 31.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) rinse off the soap (b) dry them with a towel
  32. 32.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
  33. 33.📝 What do we call a list of steps to solve a problem? (a) a folder (b) an algorithm (c) a pixel (d) a mouse
  34. 34.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  35. 35.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  36. 36.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  37. 37.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  38. 38.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) pick up the book (b) read the story
  39. 39.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a pebble (c) a recipe (d) a rainbow
  40. 40.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap (d) wet your hands

Answer key

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

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