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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 442 · 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 wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) wet your hands (b) rub them with soap
  2. 2.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
  3. 3.🔢 To plant a seed, which is the LAST step? (a) cover it with soil (b) water it (c) dig a small hole (d) put the seed in
  4. 4.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) close the book (c) open the first page (d) read the story
  5. 5.🔢 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
  6. 6.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  7. 7.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) pick up the book (b) close the book
  8. 8.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
  9. 9.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  12. 12.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  13. 13.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
  14. 14.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  15. 15.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  17. 17.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  18. 18.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) put the seed in (b) cover it with soil
  19. 19.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  20. 20.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) size (d) order
  21. 21.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  22. 22.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  23. 23.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  24. 24.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  25. 25.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  26. 26.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  27. 27.🔢 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
  28. 28.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  29. 29.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) wet your hands (b) dry them with a towel
  30. 30.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  31. 31.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  32. 32.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  33. 33.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  34. 34.🔢 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
  35. 35.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a mouse (d) a folder
  36. 36.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) wet your hands (c) rub them with soap (d) dry them with a towel
  37. 37.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  38. 38.🔢 To read a storybook, what comes right after “read the story”? (a) open the first page (b) close the book (c) pick up the book
  39. 39.🔢 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
  40. 40.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) scrolling (d) debugging

Answer key

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

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