# FAQ: How can place value help me add large numbers?

During second grade, your child is introduced to the concept of using “place value” (the value of where the digit is in the number, based on the location of the digit) in order to add and subtract numbers. This strategy helps her think abstractly about what she is doing while building her number-sense at the same time.

## How does place value help you write a number?

Understanding the place value of digits in numbers helps in writing numbers in their expanded form. For instance, the expanded form of the number above, 13548 is 10,000 + 3,000 + 500 + 40 + 8. A place value chart can help us in finding and comparing the place value of the digits in numbers through millions.

## How do you expand a number based on place value?

To expand the number,based on the place value just write the place value of each digit and add the values.

## How can I use place value to add three digit numbers?

Adding two three digit numbers (for example 529 + 733) involves several steps.

1. Place one number above the other so that the hundreds, tens and ones places are lined up.
2. Add the ones place digits (9 + 3 = 12).
3. Add the tens place digits (1 + 2 + 3 = 6) and place the answer below the line and in the tens place column.

## How do you add two large numbers?

To simplify the process, we do following:

1. Reverse both strings.
2. Keep adding digits one by one from 0’th index (in reversed strings) to end of smaller string, append the sum % 10 to end of result and keep track of carry as sum/10.
3. Finally reverse the result.
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## What is standard form in place value?

A place value system is one in which the position of a digit in a number determines its value. In the standard system, called base ten, each place represents ten times the value of the place to its right. In standard form, the number modeled above is 233.

## What is the place value of 2 in the number 123 456?

20,000 is the place value of 2 in the given number. Step-by-step explanation: Place value is defined as the value that is given to each digit comprising the number.

## What is the place value of 4 in 64?

The number 64 has 4 in the ones place and 6 in the tens place. Explore different numbers with your children. Discuss how many tens and how many ones (units) there are in each number.

## How do you write 20 in expanded form?

20 = 20 <---- Correct!

## How do you expand numbers?

To expand a particular number (from its standard form), we need to expand it into the sum of each digit multiplied by its matching place value (ones, tens, hundreds, and so on).

## What is 59.69 Written in expanded form?

In expanded form, we write a number as the sum of the place values it has. Thus, 59.69 = 50 + 9 + 0.60 + 0.09.