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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 340 · 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 play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  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 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
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) play with it (c) tie the end (d) take a balloon
  8. 8.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  9. 9.🔢 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
  10. 10.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) downloading (c) scrolling (d) debugging
  14. 14.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) only on Sundays (c) backwards always (d) the way it likes
  15. 15.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  16. 16.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) colour (d) font
  17. 17.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) play with it (c) tie the end
  18. 18.🔢 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
  19. 19.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) dry them with a towel (c) rub them with soap (d) rinse off the soap
  20. 20.🔢 To plant a seed, which is the LAST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  21. 21.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  22. 22.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a cell (d) a sprite
  23. 23.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  24. 24.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  25. 25.🔢 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
  26. 26.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  27. 27.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book
  28. 28.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) close the book (b) open the first page
  29. 29.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  30. 30.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  31. 31.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  32. 32.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  33. 33.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  34. 34.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  35. 35.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
  36. 36.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) play with it (b) tie the end
  37. 37.🔢 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
  38. 38.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) an algorithm (d) a folder
  39. 39.🔢 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
  40. 40.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole

Answer key

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

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