4.NBT.A--Place Value

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 4,389, the digit 4 is in the thousands place, so its value is 4,000.

Front

What does expanded form mean?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 209,924 in expanded form is 200,000 + 9,000 + 900 + 20 + 4.

Front

How do you round a number to the nearest ten thousand?

Back

To round a number to the nearest ten thousand, look at the thousands digit. If it is 5 or more, round up; if it is 4 or less, round down.

Front

What is the value of the digit 8 in the number 4,389?

Back

In the number 4,389, the digit 8 is in the tens place, so its value is 80.

Front

What is 1,000 more than 25,230?

Back

1,000 more than 25,230 is 26,230.

Front

How do you write a number in expanded form?

Back

To write a number in expanded form, break it down into the sum of the values of its digits. For example, 20,643 is written as 20,000 + 600 + 40 + 3.

Front

What is the place value of the digit 9 in the number 209,924?

Back

In the number 209,924, the digit 9 is in the thousands place, so its value is 9,000.

Front

What is the difference between a digit and a number?

Back

A digit is a single symbol used to represent numbers (0-9), while a number is a combination of digits that represents a value.

Front

How do you identify the digit in the hundreds place?

Back

To identify the digit in the hundreds place, count three places from the right in a number. For example, in 4,389, the digit in the hundreds place is 3.

Front

What is the value of the digit 2 in the number 2,000?

Back

In the number 2,000, the digit 2 is in the thousands place, so its value is 2,000.