Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 597 · 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 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
2. 2.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) blow air into it (d) tie the end
3. 3.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) close the book (b) read the story
4. 4.🔢 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
5. 5.🔢 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
6. 6.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) dry them with a towel (b) rub them with soap
7. 7.🔢 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
8. 8.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
9. 9.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
10. 10.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
11. 11.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
12. 12.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
13. 13.🔢 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
14. 14.🔢 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
15. 15.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a password (c) a poem (d) a painting
16. 16.🔢 To read a storybook, which is the FIRST step? (a) open the first page (b) read the story (c) close the book (d) pick up the book
17. 17.🔢 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
18. 18.🔢 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
19. 19.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) rub them with soap (b) dry them with a towel
20. 20.🔢 To plant a seed, which is the FIRST step? (a) water it (b) cover it with soil (c) put the seed in (d) dig a small hole
21. 21.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
22. 22.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
23. 23.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a folder (c) a pixel (d) an algorithm
24. 24.🐞 What do we call a mistake in a program? (a) a bug (b) a byte (c) a cell (d) a sprite
25. 25.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
26. 26.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
27. 27.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) brush all your teeth (b) rinse your mouth
28. 28.🔢 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
29. 29.🔢 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
30. 30.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
31. 31.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) close the book (c) pick up the book
32. 32.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) colour (d) font
33. 33.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
34. 34.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
35. 35.🔢 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
36. 36.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) put on toothpaste (b) brush all your teeth
37. 37.🔢 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
38. 38.🔢 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
39. 39.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) debugging (c) printing (d) downloading
40. 40.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) rinse off the soap (d) dry them with a towel

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