Simple code examples using variables for Grade 2

📚 Quick Study Guide

• 🏷️ A variable is like a container that stores information (like numbers or words).
• ✏️ We give each variable a name so we can use it later.
• ➕ You can change the value stored in a variable.
• 💻 In simple code, variables help us do math and show messages.
• 🧮 Example: `age = 7` means the variable named 'age' holds the number 7.

Practice Quiz

1. What is a variable like?
   1. A box to keep toys
   2. A container to store information
   3. A type of snack
2. What do we give each variable?
   1. A color
   2. A name
   3. A number
3. Can you change what's inside a variable?
   1. No
   2. Sometimes
   3. Yes
4. What does `name = "Sam"` mean?
   1. The variable 'name' is a number.
   2. The variable 'name' holds the word Sam.
   3. Sam is a variable.
5. If `apples = 5`, what does 'apples' store?
   1. The word "apples"
   2. The number 5
   3. A picture of apples
6. Which of these is a good variable name?
   1. 123
   2. My_age
   3. @name
7. What can variables help us do?
   1. Only show messages
   2. Do math and show messages
   3. Only do homework