Life gets easy once you learn decimal rounding methods, and using them every day will become a part of your routine. Whether you are estimating your shopping bills, balancing accounts or rounding numbers saves time. In this blog post, you will learn how to round a decimal to the nearest tenth.

Let’s start with what rounding off numbers means. It is a mathematical technique to adjust the decimal place numbers to a particular degree of accuracy to make them easier to use, calculate and understand. They are not the exact correct answer but are still very close to the right or original value.

Decimal numbers or places come right after the decimal point. Let’s learn what ones, tenths, or hundredths digit represents with examples.

Ones digit: it represents the whole numbers and is generally used in daily life to count things, like the number of tomatoes (2.0 tomatoes = two tomatoes)

Tenths digit: it represents one-tenth of something or an item if you cut a cake into 10 equal pieces to distribute (0.2 of a cake = two pieces of a 10-piece cake)

Hundredths digit: it represents one-hundredth of something, like currency such as a cent is worth of one one-hundredth of a dollar (1 cent=$0.01)

While rounding numbers to the nearest digit, look for the numbers right next to its decimal point. For rounding to the nearest tenths, look which digit is right to the tenth place. If it is between 5 and 9, then round up, or if it is 4 or lower, the digit will not change.

- 6.57 can round to 6.6 because the hundredth-place digit is 7, which lies between 5 and 9.
- 9.81 would not round up or down because the hundredth place 1 is less than 5.

The same technique is for rounding to the nearest hundredths, but you have to look for the thousandths place digit this time.

- 29.446 can round to 29.47 because the thousandth place is 6 and lies between 5 to 9.
- 98.555 would also round to 98.56 because the thousandth place is 5.

Rounding to the units or ones place means rounding across the decimal place or nearest whole number. Look to the right next to the decimal point, called the tenth place, to round off the ones or unit digits.

- 9.9 rounds to 10 because 9 lies between 5 and 9.
- 3.2 rounds to 3 because 2 is less than 5.

- Always look at the right side of the decimal point for rounding off digits.
- For rounding the tens digit, look at the nearest hundredths digit and for rounding the thousandth, look for the nearest ten-thousandths digit.
- If the digit right to the rounding digit is 5 or higher, then the rounding digit will change.
- If the digit right to the rounding digit is 4 or lower, the rounding digit will not change.

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