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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 598 · 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 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
  2. 2.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  3. 3.🔢 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
  4. 4.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
  5. 5.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) blow air into it (c) take a balloon (d) tie the end
  6. 6.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  7. 7.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  8. 8.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  9. 9.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  12. 12.🔢 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
  13. 13.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) open the first page (c) read the story
  14. 14.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  15. 15.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth (d) put on toothpaste
  17. 17.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  18. 18.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  19. 19.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  20. 20.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) open the first page (b) read the story
  21. 21.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  22. 22.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) rub them with soap (b) dry them with a towel
  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.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) printing (c) downloading (d) debugging
  25. 25.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a mouse (c) a pixel (d) an algorithm
  26. 26.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) open the first page (c) close the book (d) read the story
  27. 27.🔢 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
  28. 28.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  29. 29.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) font (d) order
  30. 30.🔢 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
  31. 31.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  32. 32.🔢 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
  33. 33.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  34. 34.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  35. 35.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  36. 36.🔢 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
  37. 37.🐞 What do we call a mistake in a program? (a) a bug (b) a byte (c) a sprite (d) a cell
  38. 38.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  39. 39.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  40. 40.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) rub them with soap (c) wet your hands

Answer key

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

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