Temperature
Temperature is a measure of how hot or cold something is. It is measured using different units such as Celsius (°C), Fahrenheit (°F), and Kelvin (K).
Common Temperature Units
- Celsius (°C) - Used in most countries
- Fahrenheit (°F) - Used primarily in the United States
- Kelvin (K) - Used in scientific calculations
Temperature Conversions
- °C to °F: (°C × 9/5) + 32
- °F to °C: (°F - 32) × 5/9
- °C to K: °C + 273.15
Examples
Example 1: Convert 25°C to Fahrenheit.
Solution: (25 × 9/5) + 32 = 77°F
Money
Money is a medium of exchange used for buying goods and services. Different countries have different currencies.
Common Currencies
- Indian Rupee (INR)
- US Dollar (USD)
- Euro (EUR)
- British Pound (GBP)
Basic Money Operations
- Addition and subtraction of money
- Multiplication and division of money
- Conversion of currencies
Examples
Example 2: If an apple costs ₹20 and a banana costs ₹15, what is the total cost?
Solution: ₹20 + ₹15 = ₹35
Conclusion
Understanding temperature and money is essential for everyday activities. Temperature helps us prepare for different weather conditions, while money is used for transactions and budgeting.