Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 277 · 40 questions

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.

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

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