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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 899 · 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 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
  2. 2.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  3. 3.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  4. 4.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
  5. 5.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) blow air into it (b) tie the end
  6. 6.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) rinse your mouth (c) brush all your teeth
  10. 10.🔢 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
  11. 11.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  12. 12.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  13. 13.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rinse off the soap (b) rub them with soap
  14. 14.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  15. 15.🔢 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
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) brush all your teeth (c) put on toothpaste (d) rinse your mouth
  17. 17.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  18. 18.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  19. 19.🔢 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
  20. 20.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) brush all your teeth (c) put on toothpaste (d) rinse your mouth
  21. 21.🔢 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
  22. 22.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  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 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
  25. 25.🔢 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
  26. 26.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) cover it with soil (b) dig a small hole
  27. 27.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a poem (d) a password
  33. 33.🔢 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
  34. 34.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  38. 38.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  39. 39.🔢 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
  40. 40.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) order (d) font

Answer key

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

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