Place Value and Rounding

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round 456,213 to the nearest ten thousand.

Back

460,000

Front

Round 892 to the nearest tens place.

Back

890

Front

Round 7,654 to the nearest hundreds place.

Back

7,700

Front

What is the purpose of a number line in rounding?

Back

A number line helps visualize where a number falls between two other numbers, making it easier to determine whether to round up or down.

Front

What is the value of the digit 5 in the number 5,678?

Back

The value of the digit 5 is 5,000 because it is in the thousands place.

Front

How do you identify the nearest hundred for the number 1,234?

Back

Look at the tens place (3). Since it is less than 5, round down to 1,200.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up means increasing the number to the next highest value, while rounding down means decreasing it to the next lowest value.

Front

Round 4,789 to the nearest thousand.

Back

5,000