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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 573 · 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 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
  2. 2.🗺️ Which of these is an algorithm in everyday life? (a) a pebble (b) a cloud (c) a recipe (d) a rainbow
  3. 3.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) brush all your teeth (b) wet the toothbrush
  4. 4.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  5. 5.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  6. 6.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  7. 7.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rinse off the soap (c) rub them with soap (d) dry them with a towel
  8. 8.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) play with it (c) tie the end (d) blow air into it
  9. 9.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  10. 10.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a poem (c) a password (d) a painting
  11. 11.🔢 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
  12. 12.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) close the book (c) read the story (d) pick up the book
  13. 13.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rinse off the soap (c) dry them with a towel (d) rub them with soap
  14. 14.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  15. 15.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  16. 16.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) rub them with soap (c) wet your hands
  17. 17.🔢 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
  18. 18.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  19. 19.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) close the book (c) open the first page
  20. 20.🔧 What is finding and fixing mistakes in a program called? (a) printing (b) scrolling (c) downloading (d) debugging
  21. 21.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  22. 22.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) pick up the book (c) open the first page
  23. 23.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush (d) put on toothpaste
  24. 24.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a pixel (d) a folder
  25. 25.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) dig a small hole (b) cover it with soil
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) blow air into it (c) play with it (d) tie the end
  29. 29.🔢 To wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) dry them with a towel (c) wet your hands
  30. 30.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  31. 31.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) colour (d) size
  32. 32.🔢 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
  33. 33.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  34. 34.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) read the story (b) open the first page
  35. 35.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  39. 39.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  40. 40.🔢 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

Answer key

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

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