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