3.2A Place Value (B)

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 its value is 300.

Front

What is the standard form of a number?

Back

The standard form of a number is the way we usually write numbers using digits. For example, the standard form of five hundred twenty thousand, three hundred forty-one is 520,341.

Front

How do you express a number in expanded form?

Back

Expanded form shows a number as the sum of the values of its digits. For example, 345 can be expressed as 300 + 40 + 5.

Front

What does the term 'ten thousands' mean?

Back

Ten thousands refers to the place value that is 10,000. For example, in the number 50,000, the 5 is in the ten thousands place.

Front

What is the value of the digit 7 in the number 57,892?

Back

In the number 57,892, the digit 7 is in the ten thousands place, so its value is 70,000.

Front

How do you convert expanded form to standard form?

Back

To convert expanded form to standard form, add the values together. For example, 90,000 + 200 + 40 + 1 equals 90,241.

Front

What is the value of the digit 4 in the number 4,567?

Back

In the number 4,567, the digit 4 is in the thousands place, so its value is 4,000.

Front

What is the sum of 3 ten thousands, 5 thousands, 8 hundreds, 2 tens, and 4 ones?

Back

The sum is 35,824.

Front

How do you identify the place value of a digit in a number?

Back

To identify the place value, look at the position of the digit from right to left, starting with ones, tens, hundreds, thousands, and so on.

Front

What is the value of the digit 2 in the number 12,345?

Back

In the number 12,345, the digit 2 is in the thousands place, so its value is 2,000.