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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 762 · 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 is the LAST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  2. 2.🔢 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
  3. 3.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  4. 4.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) tie the end (c) take a balloon (d) play with it
  5. 5.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
  6. 6.🔢 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
  7. 7.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  8. 8.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) read the story (c) close the book
  9. 9.🔢 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
  10. 10.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  11. 11.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) brush all your teeth (b) wet the toothbrush
  12. 12.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rinse off the soap (c) dry them with a towel (d) rub them with soap
  13. 13.🔢 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
  14. 14.🔢 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
  15. 15.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) dig a small hole (b) cover it with soil
  16. 16.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  17. 17.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) water it (c) dig a small hole
  18. 18.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap
  19. 19.🔢 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
  20. 20.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  21. 21.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book
  22. 22.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) dry them with a towel (c) rub them with soap
  23. 23.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) rinse off the soap (d) dry them with a towel
  24. 24.🔢 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
  25. 25.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  26. 26.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) open the first page (c) read the story (d) pick up the book
  27. 27.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth (d) put on toothpaste
  28. 28.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) read the story (b) open the first page
  29. 29.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) a mouse (d) an algorithm
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 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
  33. 33.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
  34. 34.🔢 To wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) wet your hands (c) dry them with a towel
  35. 35.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  36. 36.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  37. 37.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  38. 38.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  39. 39.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a pebble (c) a rainbow (d) a recipe
  40. 40.🔢 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

Answer key

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

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