Expanded form

Front

What is expanded form?

Back

Expanded form is a way of writing numbers to show the value of each digit. For example, 321 in expanded form is 300 + 20 + 1.

Front

How do you write 456 in expanded form?

Back

456 in expanded form is 400 + 50 + 6.

Front

What is the purpose of rounding numbers?

Back

Rounding numbers makes them easier to work with by simplifying them to the nearest value, such as the nearest ten, hundred, or thousand.

Front

Round 245 to the nearest ten.

Back

250.

Front

Round 1,234 to the nearest hundred.

Back

1,200.

Front

What does the term 'word form' mean?

Back

Word form is writing a number using words instead of digits. For example, 321 in word form is 'three hundred twenty-one'.

Front

How do you convert 789 to word form?

Back

789 in word form is 'seven hundred eighty-nine'.

Front

What is the value of the digit 5 in the number 5,432?

Back

In the number 5,432, the digit 5 is in the thousands place, so its value is 5,000.

Front

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

Back

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

Front

What is the expanded form of 1,005?

Back

1,005 in expanded form is 1,000 + 0 + 5.