How to Round a Decimal to the Nearest Whole Number

The video tutorial demonstrates how to round a decimal number to the nearest whole number. The instructor presents a math problem, 18.495, and guides viewers through the process of rounding it. The key concept is to look at the first digit to the right of the decimal point to determine whether to round up or leave the whole number unchanged. The tutorial concludes with the answer, 18, and encourages viewers to subscribe for more math content.

What is the first step in rounding a number to the nearest whole number?

• Look at the digit to the left of the decimal point.

• Look at the digit to the right of the decimal point.

• Add 1 to the whole number.

• Subtract 1 from the whole number.

If the digit to the right of the decimal point is 4, what should you do?

• Round up the whole number.

• Multiply the whole number by 2.

• Round down the whole number.

• Leave the whole number unchanged.

What is the result of rounding 18.495 to the nearest whole number?

• 19

• 18

• 20

• 17

What should you do if the digit to the right of the decimal point is 5 or greater?

• Leave the whole number unchanged.

• Subtract 1 from the whole number.

• Round down the whole number.

• Round up the whole number.

What is the main topic of the video tutorial?

• Multiplication and division

• Solving algebraic equations

• Addition and subtraction

• Rounding to the nearest whole number