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23400000, 000345

23400000,000345

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Spiegazione passo passo

1. Rewrite the numbers from top to bottom, aligned by their place values

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,

Put zeros in the blank number places:

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,

2. Add up the digits in each column, from right to left

Add the numbers in the millionths place value.
0+5=5

Write 5 in the millionths place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,						5

Add the numbers in the hundred thousandths place value.
0+4=4

Write 4 in the hundred thousandths place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,					4	5

Add the numbers in the ten thousandths place value.
0+3=3

Write 3 in the ten thousandths place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,				3	4	5

Add the numbers in the thousandths place value.
0+0=0

Write 0 in the thousandths place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,			0	3	4	5

Add the numbers in the hundredths place value.
0+0=0

Write 0 in the hundredths place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,		0	0	3	4	5

Add the numbers in the tenths place value.
0+0=0

Write 0 in the tenths place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
									,	0	0	0	3	4	5

Add the numbers in the ones place value.
0+0=0

Write 0 in the ones place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
								0	,	0	0	0	3	4	5

Add the numbers in the tens place value.

Write 0 in the tens place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
							0	0	,	0	0	0	3	4	5

Add the numbers in the hundreds place value.

Write 0 in the hundreds place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
						0	0	0	,	0	0	0	3	4	5

Add the numbers in the thousands place value.

Write 0 in the thousands place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
					0	0	0	0	,	0	0	0	3	4	5

Add the numbers in the ten thousands place value.

Write 0 in the ten thousands place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
				0	0	0	0	0	,	0	0	0	3	4	5

Add the numbers in the hundred thousands place value.

Write 4 in the hundred thousands place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
			4	0	0	0	0	0	,	0	0	0	3	4	5

Add the numbers in the millions place value.

Write 3 in the millions place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
		3	4	0	0	0	0	0	,	0	0	0	3	4	5

Add the numbers in the ten millions place value.

Write 2 in the ten millions place.

Place value	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths
TABLE_NAME_CARRY
	2	3	4	0	0	0	0	0	,	0	0	0	0	0	0
+								0	,	0	0	0	3	4	5
	2	3	4	0	0	0	0	0	,	0	0	0	3	4	5

The solution is: 23400000,000345

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Perché imparare questo

Addition is the most basic math action and is used daily by almost everybody. Playing games, paying at the supermarket, and cooking are just a few examples of when we add.
Long addition is a clear and simple method to add numbers. Especially big numbers.
Although today calculators do this job for us, understanding the concept of addition is a key ability for understanding math.

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