Rounding Decimal Numbers

Front

What is rounding?

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 digits that follow it.

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest integer. If the decimal is .5 or higher, round up; if it's less than .5, round down.

Front

Round 43.837 to the nearest hundredth.

Back

43.84

Front

What is the nearest tenth?

Back

The nearest tenth is the first digit to the right of the decimal point. When rounding, look at the digit in the hundredths place to decide whether to round up or down.

Front

Round 10.065 to the nearest tenth.

Back

10.1

Front

What is the rule for rounding up?

Back

If the digit to the right of the place value you are rounding to is 5 or greater, you round up the last digit.

Front

Round 899.999 to the nearest hundredth.

Back

900.000

Front

What does it mean to round to one decimal place?

Back

Rounding to one decimal place means keeping one digit after the decimal point and adjusting based on the next digit.

Front

Round 148.93 to the nearest one decimal place.

Back

148.9

Front

What is the significance of the digit '5' in rounding?

Back

The digit '5' is the threshold for rounding up. If the digit in the place value to the right is 5 or more, round up; if it's less than 5, round down.