Rounding Decimals

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. It often involves increasing or decreasing the last digit based on the value of the digits that follow it.

Front

What does the term 'place value' refer to?

Back

Place value refers to the value of a digit based on its position within a number. For example, in the number 732.326, the digit 3 is in the tenths place, and its value is 0.3.

Front

What digit is in the hundredths place in the number 732.326?

Back

The digit in the hundredths place is 2.

Front

How do you round 72.178 to the nearest hundredth?

Back

To round 72.178 to the nearest hundredth, look at the digit in the thousandths place (8). Since 8 is 5 or greater, you round up the hundredths place (7) to 8, resulting in 72.18.

Front

What is the value of the digit 4 in the number 4,123.7?

Back

The value of the digit 4 in the number 4,123.7 is in the thousands place, which means it represents 4,000.

Front

Which digit is in the thousandths place in the number 473.521?

Back

The digit in the thousandths place is 1.

Front

How do you compare two decimal numbers, such as 32.03 and 32.30?

Back

To compare two decimal numbers, align them by the decimal point and compare digit by digit from left to right. In this case, 32.03 is less than 32.30.

Front

What is the rule for rounding up when rounding decimals?

Back

When rounding decimals, if the digit immediately to the right of the place you are rounding to is 5 or greater, you round up the digit in the place you are rounding to.

Front

What is the rule for rounding down when rounding decimals?

Back

When rounding decimals, if the digit immediately to the right of the place you are rounding to is less than 5, you keep the digit in the place you are rounding to the same and drop the digits to the right.

Front

What is the difference between the tenths and hundredths place?

Back

The tenths place is the first digit to the right of the decimal point, while the hundredths place is the second digit to the right of the decimal point.