## How does place value help you add?

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.

**Place**one number above the other so that the hundreds, tens and ones places are lined up.**Add**the ones**place digits**(9 + 3 = 12).**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:**

- Reverse both strings.
- 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. - Finally reverse the result.

## 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.