To find half of a number, you divide the number by 2. So, to calculate half of 18, you would perform the following calculation:
18 ÷ 2 = 9
Therefore, half of 18 is 9.
This concept applies to any integer or even decimal numbers. Finding half is a simple yet fundamental operation in mathematics that is often used in various real-life situations, whether you’re cooking, budgeting, or sharing items. If you have any further questions about fractions or division, feel free to ask!