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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 481 · 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.

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

Answer key

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

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