Half of 7 is 3 1/2, or expressed as a decimal, 3.5. Finding half of any number involves dividing that number by 2.
Understanding the Concept
The concept of finding half of a number is a basic mathematical operation. To find half of any number, you simply divide it by 2. This applies to whole numbers, fractions, and decimals.
Calculations
Here's a breakdown of how we find half of 7:
- Division: 7 รท 2
- Result: 3.5
Different Representations
The result can be expressed in a few ways:
- Fraction: 3 1/2
- Decimal: 3.5
Both representations mean the same thing. The decimal form, 3.5, is often used for calculations and measurements.
Practical Examples
- If you have 7 apples and want to share them equally with a friend, each of you would receive 3.5 apples.
- Imagine you need half of a 7-foot piece of wood. You would need a 3.5-foot piece.
Summary
In short, taking half of a number means you are dividing it into two equal parts. The answer to the question 'What is half of 7?' is 3.5 or 3 1/2.