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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 534 · 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 is finding and fixing mistakes in a program called? (a) printing (b) downloading (c) scrolling (d) debugging
  2. 2.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) open the first page (c) close the book (d) read the story
  3. 3.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) brush all your teeth (d) rinse your mouth
  4. 4.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
  5. 5.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) water it (d) cover it with soil
  6. 6.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  7. 7.🔢 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
  8. 8.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) brush all your teeth (b) rinse your mouth
  9. 9.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush (d) put on toothpaste
  10. 10.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  11. 11.🔢 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
  12. 12.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) wet the toothbrush (b) brush all your teeth
  13. 13.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) water it (c) put the seed in (d) dig a small hole
  14. 14.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  15. 15.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) blow air into it (b) take a balloon
  16. 16.🔢 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
  17. 17.🐞 What do we call a mistake in a program? (a) a bug (b) a cell (c) a byte (d) a sprite
  18. 18.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
  19. 19.🔢 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
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) an algorithm (d) a folder
  23. 23.🔢 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
  24. 24.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  25. 25.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  26. 26.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  27. 27.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  28. 28.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) font (d) order
  29. 29.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  30. 30.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  31. 31.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rub them with soap (c) dry them with a towel (d) rinse off the soap
  32. 32.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  33. 33.🔢 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
  34. 34.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  35. 35.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  36. 36.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a recipe (c) a pebble (d) a cloud
  37. 37.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  38. 38.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a password (c) a painting (d) a poem
  39. 39.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
  40. 40.🔢 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

Answer key

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

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