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Hey awesome Question. The answer is no you do not have to line up the decimals when multyping only when adding and subtracting. The main thing is when you multiply make sure you put the decimal in the right place in your answer. YOu count how may places their are behind the decimals in BOTH numbers then you make sure their are that many places behind the decimal in you answer. :)

Q: When multiplying decimals with whole numbers do you line up the whole numbers?

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No, it is not true.

No, it is not necessary. But it does help to be tidy.

1. When adding, the decimals MUST line up: 012.3 +32.1 2. When multiplying, you dont have to put the decimals side by side: 12.3 x323.55 Then you count how many numbers are after the decimals, which, in this case, is three. Hope it helped!

Whole numbers are integers that do not include decimals or fractions as for example the whole numbers in the number line

Adding and subtracting decimals is easy. When you put the numbers one above the other, line up the decimals vertically and treat as you would any whole number just keep the decimals in line and bring it straight down to your answer.

Integers can be negative or positive numbers providing that they are whole numbers without decimals or fractions.

you only line the decimals up when you are subtracting or adding not when you are multiplying im not sure about division...

This answer is irrelevant because you did not explain yourself, the correct answer is,"Its important so you can separate whole numbers for parts of whole numbers."

The number 4.83 is a real number. Real numbers include all whole numbers, fractions, and decimals that can be represented as quantities along a continuous line.

First, you draw a number line. You then make points for the counting numbers, and place the mixed numbers and decimals between these points, getting their own points and labels.

yes just if you are using decimals put the whole number then a line then all the numbers after dp in a row

You order decimals from least to greatest by looking at the whole number and seeing which whole number is bigger. If the whole numbers are the same you look in the tenths place and see