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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 920 · 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, what comes right after “blow air into it”? (a) play with it (b) take a balloon (c) tie the end
  2. 2.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  3. 3.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a recipe (d) a cloud
  4. 4.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  5. 5.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  6. 6.🔢 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
  7. 7.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) downloading (c) scrolling (d) debugging
  8. 8.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) water it (c) dig a small hole (d) put the seed in
  9. 9.🔢 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
  10. 10.🐞 What do we call a mistake in a program? (a) a cell (b) a byte (c) a sprite (d) a bug
  11. 11.🔢 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
  12. 12.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) open the first page (b) pick up the book
  13. 13.🔢 To read a storybook, which is the LAST step? (a) close the book (b) open the first page (c) pick up the book (d) read the story
  14. 14.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  15. 15.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  16. 16.🔢 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
  17. 17.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  18. 18.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) tie the end (c) take a balloon (d) blow air into it
  19. 19.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
  20. 20.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) read the story (b) pick up the book
  21. 21.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  22. 22.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
  23. 23.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  24. 24.🔢 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
  25. 25.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  26. 26.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  27. 27.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  28. 28.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  29. 29.🔢 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
  30. 30.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  31. 31.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) rub them with soap (c) dry them with a towel
  32. 32.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  33. 33.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  34. 34.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  35. 35.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  36. 36.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) an algorithm (d) a folder
  37. 37.🔢 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
  38. 38.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  39. 39.🔢 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
  40. 40.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour

Answer key

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

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