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Class 5 Computer Worksheet: Algorithms

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

Answer key

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

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