4th Math DCA 1 Review: 4.2A, 4.2B, 4.2C, 4.2E, 4.2F, 4.2H, 4.4A, 4.4G, 4.5A

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits, where each digit is multiplied by a power of ten based on its position.

Front

How do you convert a number from expanded form to standard form?

Back

To convert from expanded form to standard form, sum the values of each term in the expanded form.

Front

What does the digit 2 represent in the number 2,970,000?

Back

The digit 2 represents two million in the number 2,970,000.

Front

How do you determine the value of a digit in a number?

Back

The value of a digit is determined by its position in the number, which indicates its place value (e.g., thousands, hundreds, tens, etc.).

Front

What is the place value of the digit 4 in the number 9,443?

Back

The place value of the digit 4 in the number 9,443 is 400 (hundreds place).

Front

How many times greater is a digit in one place value compared to another?

Back

A digit in a higher place value is ten times greater than the same digit in the next lower place value.

Front

What is the expanded form of the number 914,730?

Back

The expanded form of 914,730 is (9 x 100,000) + (1 x 10,000) + (4 x 1,000) + (7 x 100) + (3 x 10).

Front

What is the value of the digit 3 in the number 914,730?

Back

The value of the digit 3 in the number 914,730 is 30 (tens place).

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.

Front

What is the relationship between the digits in the number 9,443?

Back

The digit in the tens place (4) is 1/10 the value of the digit in the hundreds place (4).