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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 544 · 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 mistake in a program? (a) a sprite (b) a byte (c) a cell (d) a bug
  2. 2.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  3. 3.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  4. 4.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) blow air into it (c) take a balloon (d) play with it
  5. 5.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  6. 6.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  7. 7.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  8. 8.🔢 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
  9. 9.📝 What do we call a list of steps to solve a problem? (a) a folder (b) an algorithm (c) a pixel (d) a mouse
  10. 10.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  11. 11.🔢 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
  12. 12.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  13. 13.🔢 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
  14. 14.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) water it (d) put the seed in
  15. 15.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) cover it with soil (c) dig a small hole (d) water it
  16. 16.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) scrolling (c) downloading (d) debugging
  17. 17.🔢 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
  18. 18.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  19. 19.🔢 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
  20. 20.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  21. 21.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) order (d) size
  22. 22.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  23. 23.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
  24. 24.🔢 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
  25. 25.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) dry them with a towel (b) rub them with soap
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  29. 29.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  30. 30.🔢 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
  31. 31.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  32. 32.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a password (c) a poem (d) a painting
  33. 33.🔢 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
  34. 34.🔢 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
  35. 35.🔢 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
  36. 36.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a recipe (d) a pebble
  37. 37.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  38. 38.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  39. 39.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  40. 40.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rub them with soap (c) rinse off the soap (d) dry them with a towel

Answer key

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

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