Page 77 - IT_V5.0_Class7
P. 77
Variables Blocks
These blocks in Scratch are used to store and manipulate data values. These blocks can hold
variables and lists. There are 5 Variables blocks and 11 list blocks in Scratch 3.0.
Variables can hold numbers or strings and can be used to keep track of information that changes
during the execution of a program.
Block Explanation
Creates a new variable.
Represents the value of the variable named “my variable.”
The name can be changed to anything meaningful.
Sets the value of the variable to a specified value.
Changes the value of the variable by a specified value.
Displays the variable’s value on the stage.
Hides the variable’s value from the stage.
This block creates a new list variable that can be used to
store and manipulate multiple items.
Example 13: Make a script to take two numbers from user and display their sum in the speech
bubble.
Follow the given steps:
Step 1: Click on the Variables category.
Step 2: Click on the Make a Variable button. The New Variable dialog box appears.
Step 3: Type name of the variable in the New variable name text box.
Step 4: Click on the OK button.
Step 5: Similarly, create another variable named Num2.
2
5
1
3 4
Learning Scratch 75

