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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 212 · 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 FIRST step? (a) dig a small hole (b) put the seed in (c) water it (d) cover it with soil
  2. 2.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  3. 3.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  4. 4.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  5. 5.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
  6. 6.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  7. 7.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  8. 8.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) rub them with soap (c) dry them with a towel
  9. 9.🔢 To plant a seed, what comes right after “dig a small hole”? (a) water it (b) cover it with soil (c) put the seed in
  10. 10.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  11. 11.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  12. 12.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) colour (c) font (d) size
  13. 13.🔢 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
  14. 14.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) an algorithm (d) a folder
  15. 15.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) rinse off the soap (b) dry them with a towel
  16. 16.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  17. 17.🔢 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
  18. 18.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  19. 19.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  20. 20.🔢 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
  21. 21.🔢 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
  22. 22.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) pick up the book (b) read the story
  23. 23.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book
  24. 24.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  25. 25.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  26. 26.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  27. 27.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  29. 29.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel
  30. 30.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  31. 31.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  32. 32.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) read the story (b) open the first page
  33. 33.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  34. 34.🔢 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
  35. 35.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a cloud (c) a pebble (d) a rainbow
  36. 36.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
  37. 37.🔢 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
  38. 38.🔢 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
  39. 39.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  40. 40.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush

Answer key

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

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