Rounding Whole Numbers and 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 number to the nearest specified place value.

Front

How do you round a number to the nearest whole number?

Back

To round a number to the nearest whole number, look at the digit in the tenths place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

What is the nearest whole number to 1.823?

Back

2

Front

How do you round a decimal to the nearest hundredth?

Back

To round a decimal to the nearest hundredth, look at the digit in the thousandths place. If it is 5 or greater, round up the hundredths place by one. If it is less than 5, keep the hundredths place the same.

Front

What is the nearest hundredth to 5.434?

Back

5.43

Front

How do you round a number to the nearest dollar?

Back

To round a number to the nearest dollar, look at the cents (the digits after the decimal point). If the cents are 50 or more, round up. If they are less than 50, round down.

Front

What is the nearest dollar to $0.33?

Back

$0.00

Front

What does it mean to round down?

Back

Rounding down means decreasing the number to the nearest specified place value, typically when the digit in the next place value is less than 5.

Front

What does it mean to round up?

Back

Rounding up means increasing the number to the nearest specified place value, typically when the digit in the next place value is 5 or greater.

Front

What is the nearest hundredth to 0.793?

Back

0.79