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When comparing numbers, the digits are compared starting with the highest place value column that is not empty (or contains a zero) across the numbers. If the digits are the same, the next place value column to the right is checked; and so on until a difference is found or all the digits are the same making the numbers equal.

By lining up the decimal points the digits of each place value column are now aligned and it is easy to compare the correct digits (that is the digits in the place value columns) and see which order the numbers are (from least to greatest, etc).

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6y ago
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6y ago

Because lining up decimal points will simplify reading the integer parts.

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Q: Why can it help to line up the decimal points before camparing and ordering numbers with decimals?
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Related questions

What do you need to line up decimal points before comparing and ordering numbers with decimals?

You do not, but it is easier.


Why can it help to line up the decimal points before comparing and ordering numbers with decimals?

Lining the numbers up makes it easier to spot 0s between the decimal point and the leading non-zero digit.


Why is annexing zeros used in ordering decimals?

Annexing zeros is included in ordering decimals to even the numbers out so you can line the decimals up. I'm pretty sure that is the right answer...


Why is ordering decimal numbers to two places like ordering numbers to 100?

0.95


What is the definition of comparing and ordering whole numbers and decimals?

place value :)


How are comparing and ordering whole numbers and decimals similar?

They are similar because when you compare decimals you say the larger one has more value so the decimal is larger like in comparing whole numbers the number that has more value is larger. So they are very similar.


How are decimals and whole numbers similar?

All whole numbers are decimal numbers.


What is comparing and ordering rational numbers?

Rational numbers are roots, decimals, fractions, and whole numbers. Bascially anything that can become a decimal. Irrational numbers are like pi. I'm pretty sure to be irrational, they have to repeat. Anyway, ordering them and comparing them means looking at them and seeing which is smallest and largest. Then you order them (smallest to largest or whatever it says).


Can a decimal be a real number?

All decimals are real numbers and all real numbers can be expressed as decimals.


Why do you need to line up the decimal points before comparing and ordering numbers with decimals?

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."


Is a rational number a repeating decimal?

All repeating decimals are rational numbers. Not all rational numbers are repeating decimals.


When multiplying a decimal by a decimal multiply as with what numbers?

The answer depends on the decimal numbers: there is no simple answer if one (or both) of the decimals is a non-terminating number.