Place value and rounding numbers

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 3 is in the hundreds place, the 4 is in the tens place, and the 5 is in the ones place.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby, more convenient value, often to make calculations easier. For example, rounding 4.6 to the nearest whole number gives 5.

Front

What is the nearest hundred to 245?

Back

The nearest hundred to 245 is 200.

Front

How do you round 6789 to the nearest hundred?

Back

To round 6789 to the nearest hundred, look at the tens digit (8). Since it is 5 or more, round up to 6800.

Front

What is the value of the digit 7 in the number 745,132?

Back

The value of the digit 7 in 745,132 is 700,000 because it is in the hundred thousands place.

Front

Round 349.67 to the nearest dollar.

Back

$350

Front

What is the nearest ten to 56?

Back

The nearest ten to 56 is 60.

Front

What is the value of the digit 4 in the number 4,562?

Back

The value of the digit 4 in 4,562 is 4,000 because it is in the thousands place.

Front

Round 2.73 to the nearest tenth.

Back

2.7

Front

What is the nearest thousand to 1,234?

Back

The nearest thousand to 1,234 is 1,000.