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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 507 · 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.

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  1. 1.🔢 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
  2. 2.🔢 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
  3. 3.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) play with it (c) take a balloon
  4. 4.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  5. 5.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) dig a small hole (c) water it
  6. 6.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  7. 7.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) printing (c) debugging (d) downloading
  8. 8.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  9. 9.🔢 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
  10. 10.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  11. 11.🔢 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
  12. 12.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  13. 13.🔢 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
  14. 14.🔢 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
  15. 15.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  17. 17.🔢 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
  18. 18.🔢 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
  19. 19.🐞 What do we call a mistake in a program? (a) a sprite (b) a byte (c) a cell (d) a bug
  20. 20.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  21. 21.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  22. 22.🔢 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
  23. 23.🔢 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
  24. 24.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) blow air into it (d) take a balloon
  25. 25.🔢 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
  26. 26.🤖 A computer follows the steps of a program ___. (a) only on Sundays (b) exactly as written (c) the way it likes (d) backwards always
  27. 27.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) dry them with a towel (c) wet your hands
  28. 28.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) size (c) font (d) colour
  29. 29.🔢 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
  30. 30.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  31. 31.🔢 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
  32. 32.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a recipe (c) a pebble (d) a cloud
  33. 33.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  34. 34.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  35. 35.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  36. 36.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  37. 37.🔢 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
  38. 38.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  39. 39.🔢 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
  40. 40.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) close the book (c) pick up the book

Answer key

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

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