Examples of Arithmetic Operators in Code (Addition, Subtraction)

📚 Quick Study Guide

• ➕ Addition: Adds two numbers together. Represented by the `+` symbol.
• ➖ Subtraction: Subtracts one number from another. Represented by the `-` symbol.
• 🔢 Data Types: Make sure the variables you're adding or subtracting are of numerical data types (e.g., integers, floats).
• 💻 Syntax: The syntax varies slightly depending on the programming language, but the core concept remains the same: `result = number1 + number2;` or `result = number1 - number2;`
• 💡 Real-World Use: Used in everything from calculating prices to determining distances.

Practice Quiz

1. What is the result of `5 + 3` in most programming languages?
   1. A. `2`
   2. B. `8`
   3. C. `15`
   4. D. `53`
2. Which symbol represents subtraction in code?
   1. A. `+`
   2. B. `*`
   3. C. `-`
   4. D. `/`
3. What would `10 - 4` evaluate to?
   1. A. `14`
   2. B. `6`
   3. C. `-14`
   4. D. `4`
4. If `x = 7` and `y = 2`, what is the value of `x + y`?
   1. A. `5`
   2. B. `9`
   3. C. `14`
   4. D. `72`
5. Which data type is most suitable for arithmetic operations like addition and subtraction?
   1. A. String
   2. B. Boolean
   3. C. Integer
   4. D. Character
6. What happens if you try to subtract a string from an integer without proper conversion?
   1. A. It will always work.
   2. B. It will result in a concatenation.
   3. C. It will result in an error.
   4. D. It will return zero.
7. If `a = 15` and `b = 5`, what is the value of `a - b`?
   1. A. `3`
   2. B. `20`
   3. C. `10`
   4. D. `75`