Rounding

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. This often involves increasing or decreasing the number to the nearest specified place value.

Front

What does it mean to round to the nearest hundred thousand?

Back

Rounding to the nearest hundred thousand means adjusting a number to the closest multiple of 100,000.

Front

How do you determine whether to round up or down?

Back

If the digit to the right of the rounding place is 5 or greater, you round up. If it is less than 5, you round down.

Front

What is 399,939 rounded to the nearest hundred thousand?

Back

400,000

Front

Which number does NOT round to 400 when rounding to the nearest hundred?

Back

345 does NOT round to 400 when rounding to the nearest hundred.

Front

What is the process of rounding 45,291 to the tens place?

Back

To round 45,291 to the tens place, look at the digit in the ones place (1). Since it is less than 5, you round down to 45,290.

Front

What is 667,278 rounded to the nearest ten thousand?

Back

670,000

Front

What is the value of the digit 7 in the number 6,789?

Back

The value of the digit 7 in the number 6,789 is 700.

Front

What is the difference between rounding to the nearest ten and rounding to the nearest hundred?

Back

Rounding to the nearest ten adjusts the number to the closest multiple of 10, while rounding to the nearest hundred adjusts it to the closest multiple of 100.

Front

How do you round a number with a decimal?

Back

To round a number with a decimal, look at the digit immediately to the right of the rounding place. Apply the same rules: round up if it's 5 or greater, and round down if it's less than 5.