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Class 5 Computer Worksheet: Algorithms

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

Answer key

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

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