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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 228 · 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 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
  2. 2.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) size (c) colour (d) order
  3. 3.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it
  4. 4.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  5. 5.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a poem (d) a password
  6. 6.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  7. 7.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth (d) put on toothpaste
  8. 8.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) wet your hands (c) dry them with a towel
  9. 9.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a folder (c) a mouse (d) a pixel
  10. 10.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  11. 11.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  12. 12.🔢 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
  13. 13.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
  14. 14.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) pick up the book (b) open the first page
  15. 15.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  16. 16.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  17. 17.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a recipe (d) a pebble
  18. 18.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) blow air into it (c) tie the end (d) play with it
  19. 19.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) dig a small hole (c) water it
  20. 20.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) put the seed in (c) dig a small hole (d) water it
  21. 21.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
  22. 22.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  23. 23.🔢 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
  24. 24.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  25. 25.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book
  26. 26.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) cover it with soil (b) dig a small hole
  27. 27.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  28. 28.🔢 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
  29. 29.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) wet your hands (b) rub them with soap
  30. 30.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  31. 31.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) dig a small hole (b) put the seed in
  32. 32.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  33. 33.🔢 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
  34. 34.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) rinse off the soap (b) dry them with a towel
  35. 35.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) blow air into it (c) take a balloon
  36. 36.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  37. 37.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) wet the toothbrush (b) brush all your teeth
  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 wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  40. 40.🔢 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

Answer key

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

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