Place Value Pretest

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 standard form?

Back

To write a number in standard form, you express it as a sum of its place values. For example, 1,000 + 300 + 50 + 7 is written as 1,357.

Front

What is the standard form of the number 200,000 + 50,000 + 2,000 + 300 + 40 + 5?

Back

The standard form is 252,345.

Front

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

Back

To round to the nearest ten thousand, look at the digit in the thousand's place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is the result of rounding 49,545 to the nearest ten thousand?

Back

The result is 50,000.

Front

What does it mean to compare numbers using <, >, or =?

Back

Using < means 'less than', > means 'greater than', and = means 'equal to'. These symbols are used to compare the values of two numbers.

Front

What is the value of the digit 5 in the number 5,421,836?

Back

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

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 in the number. Each position corresponds to a specific value (ones, tens, hundreds, thousands, etc.).

Front

What is the place value of the digit 2 in the number 252,002?

Back

The place value of the digit 2 is 200,000 because it is in the hundred thousands place.

Front

How do you express a number in expanded form?

Back

To express a number in expanded form, write it as the sum of each digit multiplied by its place value. For example, 1,357 = 1,000 + 300 + 50 + 7.