Variables and data storage in Intro to Computing - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to store the number 10 in a variable named score.

Intro to Computing

score = [1]

Drag options to blanks, or click blank then click option'

A10

B"10"

Cscore

Dten

Attempts:

3 left

💡 Hint

Common Mistakes

Putting the number 10 inside quotes, which makes it a string.

Using the variable name on the right side instead of a value.

The variable score is assigned the number 10 without quotes because numbers are stored as numeric values, not strings.

2fill in blank

medium

Complete the code to store the text 'hello' in a variable named greeting.

Intro to Computing

greeting = [1]

Drag options to blanks, or click blank then click option'

Ahello

B'greeting'

C"hello"

Dgreeting

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes around the text.

Using the variable name instead of the text.

Text values (strings) must be enclosed in quotes. Here, double quotes are used around hello.

3fill in blank

hard

Fix the error in the code to correctly store the value 5 in variable count.

Intro to Computing

count = [1]

Drag options to blanks, or click blank then click option'

A5

Bfive

Ccount

D"5"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the number.

Using a word instead of a number.

The value 5 should be stored as a number without quotes. Using quotes makes it a string, and using words like 'five' is invalid.

4fill in blank

hard

Fill both blanks to create a variable age and assign it the value 30.

Intro to Computing

[1] = [2]

Drag options to blanks, or click blank then click option'

Aage

B30

Cage

D"30"

Attempts:

3 left

💡 Hint

Common Mistakes

Adding spaces or quotes around the variable name.

Putting the number 30 in quotes, making it a string.

The variable name age should be on the left side without quotes or spaces, and the number 30 on the right side as a numeric value.

5fill in blank

hard

Fill all three blanks to create a variable name and assign it the text 'Alice'.

Intro to Computing

[1] = [2] + [3]

Drag options to blanks, or click blank then click option'

Aname

B"A"

C"lice"

DAlice

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes around text parts.

Using the full name without quotes or concatenation.

The variable name is assigned by joining two strings: "A" and "lice". This shows how text can be combined to form 'Alice'.