Place Value & Ways to Represent Numbers

Front

What is place value?

Back

Place value is the value of a digit based on its position within a number. Each position represents a different power of ten.

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 each digit multiplied by its place value. For example, 642 = 600 + 40 + 2.

Front

What is standard form of a number?

Back

Standard form is the way of writing numbers using digits, without any addition or multiplication. For example, 168 is the standard form of 100 + 60 + 8.

Front

How do you convert expanded form to standard form?

Back

To convert expanded form to standard form, add the values together. For example, 300 + 60 + 4 = 364.

Front

What is the value of the digit 6 in the number 1,627?

Back

In the number 1,627, the digit 6 is in the hundreds place, so its value is 600.

Front

How many hundreds are in the number 1,627?

Back

There are 6 hundreds in the number 1,627.

Front

What is the value of the digit 8 in the number 85?

Back

In the number 85, the digit 8 is in the tens place, so its value is 80.

Front

How do you determine the number of tens in a number?

Back

To determine the number of tens in a number, look at the digit in the tens place. For example, in 85, the digit 8 represents 8 tens.

Front

What is the expanded form of the number 1,627?

Back

The expanded form of 1,627 is 1,000 + 600 + 20 + 7.

Front

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

Back

To identify the place value of a digit, count the positions from right to left, starting with ones, then tens, hundreds, thousands, etc.