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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 525 · 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.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  2. 2.🔢 To plant a seed, which is the FIRST step? (a) water it (b) dig a small hole (c) cover it with soil (d) put the seed in
  3. 3.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) blow air into it (b) play with it
  4. 4.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) dig a small hole (c) put the seed in (d) water it
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  7. 7.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  8. 8.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) colour (d) font
  9. 9.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a bug (d) a sprite
  10. 10.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap (d) wet your hands
  11. 11.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  12. 12.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) pick up the book (c) open the first page (d) read the story
  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: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  15. 15.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  16. 16.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a painting (c) a program (d) a password
  17. 17.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) put the seed in (c) cover it with soil
  18. 18.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  19. 19.🔢 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
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 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
  24. 24.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) pick up the book (c) read the story
  25. 25.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  26. 26.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  27. 27.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  28. 28.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  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 “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  31. 31.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  32. 32.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) an algorithm (d) a mouse
  33. 33.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel
  34. 34.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) brush all your teeth (b) rinse your mouth
  35. 35.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) blow air into it (b) tie the end
  36. 36.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  37. 37.🔢 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
  38. 38.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page
  39. 39.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) take a balloon (b) tie the end
  40. 40.🔢 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

Answer key

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

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