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 3 is in the hundreds place, so it represents 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 to the nearest ten: 47

Back

50

Front

Round to the nearest ten: 352

Back

350

Front

Round to the nearest ten: 4,561

Back

4,560

Front

What is the expanded form of 1,521?

Back

1000 + 500 + 20 + 1

Front

What is the value of the digit 5 in the number 5,432?

Back

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

Front

What is the greatest number in this set: 1,243, 1,250, 1,300?

Back

1,300 is the greatest number.

Front

What is the correct number order from greatest to least: 1,243, 1,250, 1,300?

Back

1,300, 1,250, 1,243

Front

What does rounding mean?

Back

Rounding means adjusting a number to make it simpler but keeping its value close to what it was.