brian573
brian573 1d ago • 0 views

Unplugged Activity: Simulating Scratch Variables with Paper and Pen

Hey there, future coders! 👋 Have you ever wondered how computers remember things? 🤔 Well, they use something called 'variables'! This activity shows you how to act like a computer using just paper and a pen! Let's dive in!
💻 Computer Science & Technology

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michael810 Dec 30, 2025

📚 Topic Summary

Imagine variables as containers that hold information. In programming languages like Scratch, variables store numbers, words, or even true/false values that your program can use and change. This unplugged activity lets you simulate Scratch variables using only paper and a pen. You'll learn how to create, assign values to, and modify these variables, just like a computer! No screens needed. This activity focuses on understanding the core principles of variables. This skill is also crucial in all coding and is often used to create games and interactive stories!

🧮 Part A: Vocabulary

Match the term with its definition:

Term Definition
1. Variable A. Changing the value stored in a variable.
2. Assignment B. A named storage location that can hold a value.
3. Value C. Putting a specific piece of data into a variable.
4. Update D. The data (number, text, etc.) stored in a variable.
5. Initialize E. Setting an initial value to a variable.

✍️ Part B: Fill in the Blanks

Complete the following paragraph:

In Scratch, a _______ is like a container that stores information. We can give it a _______ and then put a _______ inside it. We can also _______ the value of the variable as our program runs. Before using a variable we need to _______ it.

🤔 Part C: Critical Thinking

Explain a real-world example where using variables (or something similar) helps to organize information. Don't limit your ideas to just programming!

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