Author: mark_cameron
Last saved by: gtsmith
Company: McGraw-Hill

Lesson 3-3

Example 1 Round Decimals
Round 4.629 to the nearest whole number.

Then look at the digit to the right. Since the digit is 6, add one to the underlined digit.

Underline the digit to be rounded. In this case, the digit is in the ones place.

	4.629

On the number line, 4.6 is closer to 5.0 than to 4.0. To the nearest whole number, 4.629 rounds to 5.

Example 2 Round Decimals
Round 35.62 to the nearest tenth.

Then look at the digit to the right. Since 2 is less than 5, the digit 6 remains the same.

Underline the digit to be rounded. In this case, the digit is in the tenths place.

	35.62

On the number line, 35.62 is closer to 35.6 than to 35.7. To the nearest tenth, 35.62 rounds to 35.6.

Example 3 Real-World Example
SODA   A bottle of soda costs $0.058 per fluid ounce. How much is this to the nearest cent?

Underline the digit in the hundredths place.

Then look at the digit to the right. The digit is greater than 5. So, add one to the underlined digit.

	0.058

To the nearest cent, the cost is $0.06 per fluid ounce.