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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 437 · 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: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
  2. 2.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) an algorithm (d) a mouse
  3. 3.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) put the seed in (d) water it
  4. 4.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) cover it with soil (d) put the seed in
  5. 5.🔢 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
  6. 6.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
  7. 7.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) close the book (c) read the story (d) pick up the book
  8. 8.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) read the story (c) pick up the book
  9. 9.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a painting (c) a program (d) a poem
  10. 10.🔢 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
  11. 11.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) cover it with soil (b) put the seed in
  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, which do we do first: “pick up the book” or “open the first page”? (a) pick up the book (b) open the first page
  14. 14.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  15. 15.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) blow air into it (b) take a balloon
  16. 16.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  17. 17.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  18. 18.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) cover it with soil (c) dig a small hole
  19. 19.🔢 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
  20. 20.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) brush all your teeth (b) rinse your mouth
  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 play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) play with it (b) take a balloon
  23. 23.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) order (d) font
  24. 24.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) take a balloon (c) play with it (d) blow air into it
  25. 25.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  26. 26.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) wet your hands (c) rinse off the soap
  27. 27.🔢 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
  28. 28.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  29. 29.🔢 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
  30. 30.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  31. 31.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
  32. 32.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  33. 33.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  34. 34.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) close the book (c) read the story (d) pick up the book
  35. 35.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  39. 39.🔢 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
  40. 40.🔢 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

Answer key

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

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