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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 72 · 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.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a recipe (d) a cloud
  2. 2.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  3. 3.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a program (c) a painting (d) a password
  4. 4.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  5. 5.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) put the seed in (c) water it (d) dig a small hole
  6. 6.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  7. 7.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rub them with soap (b) rinse off the soap
  8. 8.🔢 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
  9. 9.🔢 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
  10. 10.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) scrolling (c) downloading (d) debugging
  11. 11.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush (d) put on toothpaste
  12. 12.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  13. 13.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  14. 14.🔢 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
  15. 15.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  16. 16.🔢 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
  17. 17.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  18. 18.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) close the book (c) pick up the book (d) read the story
  19. 19.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  20. 20.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) blow air into it (c) play with it (d) tie the end
  21. 21.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  22. 22.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  23. 23.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) pick up the book (c) close the book (d) open the first page
  24. 24.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  25. 25.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) take a balloon (d) tie the end
  26. 26.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) blow air into it (b) tie the end
  27. 27.🔢 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
  28. 28.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  29. 29.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  30. 30.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  31. 31.🔢 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
  32. 32.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  33. 33.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) backwards always (c) exactly as written (d) only on Sundays
  34. 34.🔢 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
  35. 35.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) dry them with a towel (c) rinse off the soap (d) rub them with soap
  36. 36.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  37. 37.🔢 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
  38. 38.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
  39. 39.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a bug (d) a sprite
  40. 40.🔢 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

Answer key

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

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