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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 740 · 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, which do we do first: “blow air into it” or “tie the end”? (a) tie the end (b) blow air into it
  2. 2.🔢 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
  3. 3.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) water it (d) cover it with soil
  4. 4.🔢 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
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 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
  8. 8.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
  9. 9.🔢 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
  10. 10.🔢 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
  11. 11.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) size (d) order
  12. 12.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) a folder (d) an algorithm
  13. 13.🔢 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
  14. 14.🔢 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
  15. 15.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) play with it (d) blow air into it
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste (d) brush all your teeth
  17. 17.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a rainbow (c) a recipe (d) a cloud
  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.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  23. 23.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  24. 24.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  25. 25.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  26. 26.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) tie the end (d) take a balloon
  27. 27.🔢 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
  28. 28.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a program (c) a password (d) a painting
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  32. 32.🔢 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
  33. 33.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) wet your hands (b) dry them with a towel
  34. 34.🔢 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
  35. 35.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) cover it with soil (b) dig a small hole
  36. 36.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) blow air into it (b) take a balloon
  37. 37.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) close the book (c) open the first page
  38. 38.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  39. 39.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  40. 40.🔢 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

Answer key

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

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