Understanding Expanded Form and Value

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, the number 305,420 in expanded form is 300,000 + 5,000 + 400 + 20.

Front

How do you find the total amount spent?

Back

To find the total amount spent, add all the individual amounts together. For example, if a family spends $124 on groceries, $86 on gas, $45 on movies, and $37 on snacks, the total is $300.

Front

What does rounding mean?

Back

Rounding means adjusting a number to make it simpler but keeping its value close to what it was. For example, rounding 78,256 to the nearest ten thousand gives you 80,000.

Front

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

Back

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

Front

What is the value of the digit 5 in the number 305,420?

Back

In the number 305,420, the digit 5 is in the thousands place, so its value is 5,000.

Front

What is the sum of 4,267 and 2,189?

Back

The sum of 4,267 and 2,189 is 6,456.

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 53,482, the 3 is in the thousands place, so its value is 3,000.

Front

How do you compare two numbers?

Back

To compare two numbers, look at the digits from left to right and see which number is larger or smaller.

Front

What is the hundreds place in a number?

Back

The hundreds place is the third digit from the right in a number. For example, in 53,482, the digit 4 is in the hundreds place.

Front

What is the expanded form of 78,256?

Back

The expanded form of 78,256 is 70,000 + 8,000 + 200 + 50 + 6.