Grades 3, 4 and 5 | Computer Science | Elementary School

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Computer Science: Elementary School: Grades 3, 4 and 5 Quiz - Coding - Introduction (Questions)

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We have looked at examples of algorithms. Once you have your algorithm written down you have a simple plan. It has steps in it. But computers and robots cannot understand what you have written down. They only understand codes. These codes can be words, letters or numbers. They are like a special language. So you have to take each step in your algorithm and turn it into code. Codes make up units. Then we use these units when building scripts. Scripts can run programs. Programs have a lot of code to make a computer do a job.

To make a computer work, algorithms have to be turned into ____.

[ ]	Sentences
[ ]	Paragraphs
[ ]	Code
[ ]	Stories

What is computer code?

[ ]	A special language
[ ]	A foreign language
[ ]	A list of passwords
[ ]	A list of shapes

An algorithm says: Go up 3 squares to the top of the screen.

Which one of these could be code for this?

[ ]	Down 3 squares
[ ]	Up 3 squares
[ ]	Right 3 squares
[ ]	Left 3 squares

Code can use symbols and numbers. What else could be a code for: Up 3 squares?

[ ]	→3●
[ ]	↓3■
[ ]	↑3■
[ ]	↑3▲

Adil wants to control a toy robot moving round a room. Adil writes this step in his algorithm:

Turn right at the wall.

What could be the code for this?

[ ]	Forward. Wall? Yes - Left. No - Right
[ ]	Right. Wall? Yes - Stop. No - Back
[ ]	Forward. Wall? Yes - Right. No - Forward
[ ]	Right. Wall? Yes - Forward. No - Stop

Code is written in short steps. A series of these steps in code is called a ______.

[ ]	Story
[ ]	Algorithm
[ ]	Script
[ ]	Text

A lot of code to do a job is called a _______.

[ ]	Story
[ ]	History
[ ]	Algorithm
[ ]	Program

Adil wrote code to control a toy robot. Adil was ___________ the computer to move round the room.

[ ]	Drawing
[ ]	Programming
[ ]	Shaping
[ ]	Colouring

Sasha writes a program to draw a square. The program is made up of ____.

[ ]	Rhymes
[ ]	Code
[ ]	Poems
[ ]	Songs

10.

Which one of these could be a code?

[ ]	Go round the corner and walk forward five paces
[ ]	The car turned right and then drove for five miles
[ ]	Alice turned round and saw five birds sitting on a fence
[ ]	Turn→5

Computer Science: Elementary School: Grades 3, 4 and 5 Quiz - Coding - Introduction (Answers)

To make a computer work, algorithms have to be turned into ____.

[ ]	Sentences
[ ]	Paragraphs
[x]	Code
[ ]	Stories

The code used to create web pages is called HTML

What is computer code?

[x]	A special language
[ ]	A foreign language
[ ]	A list of passwords
[ ]	A list of shapes

One language used to write computer code is called Scratch. Have you used Scratch?

An algorithm says: Go up 3 squares to the top of the screen.

Which one of these could be code for this?

[ ]	Down 3 squares
[x]	Up 3 squares
[ ]	Right 3 squares
[ ]	Left 3 squares

Code is a series of very simple instructions

Code can use symbols and numbers. What else could be a code for: Up 3 squares?

[ ]	→3●
[ ]	↓3■
[x]	↑3■
[ ]	↑3▲

Can you use these symbols to write down the code for: Down 4 squares?

Adil wants to control a toy robot moving round a room. Adil writes this step in his algorithm:

Turn right at the wall.

What could be the code for this?

[ ]	Forward. Wall? Yes - Left. No - Right
[ ]	Right. Wall? Yes - Stop. No - Back
[x]	Forward. Wall? Yes - Right. No - Forward
[ ]	Right. Wall? Yes - Forward. No - Stop

The toy robot must keep going until it reaches the wall, and then turn right

Code is written in short steps. A series of these steps in code is called a ______.

[ ]	Story
[ ]	Algorithm
[x]	Script
[ ]	Text

An algorithm has steps, but they are not written in code

A lot of code to do a job is called a _______.

[ ]	Story
[ ]	History
[ ]	Algorithm
[x]	Program

You can program computers to do different jobs

Adil wrote code to control a toy robot. Adil was ___________ the computer to move round the room.

[ ]	Drawing
[x]	Programming
[ ]	Shaping
[ ]	Colouring

What could you program a toy robot to do?

Sasha writes a program to draw a square. The program is made up of ____.

[ ]	Rhymes
[x]	Code
[ ]	Poems
[ ]	Songs

Code can include words, but it is not like ordinary English

10.

Which one of these could be a code?

[ ]	Go round the corner and walk forward five paces
[ ]	The car turned right and then drove for five miles
[ ]	Alice turned round and saw five birds sitting on a fence
[x]	Turn→5

What sort of code have you used?