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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 414 · 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) cover it with soil (b) dig a small hole (c) water it (d) put the seed in
  2. 2.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a pixel (c) a folder (d) a mouse
  3. 3.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth
  4. 4.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  5. 5.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  6. 6.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  7. 7.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  8. 8.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) tie the end
  9. 9.🔢 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
  10. 10.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  11. 11.🔢 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
  12. 12.🔢 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
  13. 13.🔢 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
  14. 14.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) read the story (c) close the book (d) open the first page
  15. 15.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a recipe (c) a rainbow (d) a pebble
  16. 16.🔢 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
  17. 17.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  18. 18.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  19. 19.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) take a balloon (d) play with it
  20. 20.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  21. 21.🔢 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
  22. 22.🔢 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
  23. 23.🔢 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
  24. 24.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) debugging (d) printing
  25. 25.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) font (c) order (d) size
  26. 26.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) cover it with soil (c) water it
  27. 27.🔢 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
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  29. 29.🐞 What do we call a mistake in a program? (a) a sprite (b) a cell (c) a bug (d) a byte
  30. 30.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel
  31. 31.🔢 To plant a seed, which is the FIRST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  32. 32.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  33. 33.🔢 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
  34. 34.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  38. 38.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) put the seed in (b) cover it with soil
  39. 39.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) dig a small hole (b) put the seed in
  40. 40.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth

Answer key

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

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