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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 418 · 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.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a folder (d) a mouse
  2. 2.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) scrolling (c) debugging (d) downloading
  3. 3.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  4. 4.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) play with it (b) tie the end
  5. 5.🔢 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
  6. 6.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) tie the end (c) play with it (d) take a balloon
  7. 7.🔢 To plant a seed, which is the FIRST step? (a) water it (b) dig a small hole (c) cover it with soil (d) put the seed in
  8. 8.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) tie the end (b) take a balloon
  9. 9.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste (d) brush all your teeth
  10. 10.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) dry them with a towel (b) rub them with soap
  11. 11.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  12. 12.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth (d) brush all your teeth
  13. 13.🔢 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
  14. 14.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
  15. 15.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  16. 16.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) water it (c) dig a small hole (d) cover it with soil
  17. 17.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) read the story (c) pick up the book
  18. 18.🔢 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
  19. 19.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  20. 20.🔢 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
  21. 21.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) play with it (d) take a balloon
  22. 22.🔢 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
  23. 23.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) put on toothpaste (b) rinse your mouth
  24. 24.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  25. 25.🐞 What do we call a mistake in a program? (a) a bug (b) a byte (c) a sprite (d) a cell
  26. 26.🔢 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
  27. 27.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  28. 28.🔢 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
  29. 29.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  30. 30.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) order (d) font
  31. 31.🔢 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
  32. 32.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page
  33. 33.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) tie the end (b) blow air into it
  34. 34.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) pick up the book (c) close the book
  35. 35.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  36. 36.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) close the book (c) pick up the book (d) read the story
  37. 37.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  38. 38.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a pebble (c) a rainbow (d) a recipe
  39. 39.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  40. 40.🔢 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

Answer key

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

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