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We line up the decimal numbers so as to get accurate results.
Example: 0.2 + 7.31 + 1.054
* It is easier to add this vertically.
0.2
7.31
1.054
====
8.564
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∙ 11y ago
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How do you multiply by a decimal?
line up the numbers and decimals multiply regularly then bring the decimal down
Why it is important to line up decimal numbers by their play value when you add or subtract them?
This is true for adding and subtracting ALL numbers, not just decimal representations.
Is it true when multiplying decimal numbers you must line up the decimals in the two numbers being multiplied?
No, it is not true.
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.
Explain why it is important to line up decimal numbers by their place value when you add or subtract them?
explain why it is important to line up decimal numbers by their place value when you add or subtract them
How do you add decimal numbers?
Line up the decimal numbers like this, 100.5 + 9.0 then add normally and put in the decimal right below the decimal obove.^
How do you multiply by a decimal?
line up the numbers and decimals multiply regularly then bring the decimal down
Why it is important to line up decimal numbers by their play value when you add or subtract them?
This is true for adding and subtracting ALL numbers, not just decimal representations.
Why do you line up decimal points?
It is easier to add up numbers. It may also be easier to spot errors where the decimal point is misplaced.
Is it true when multiplying decimal numbers you must line up the decimals in the two numbers being multiplied?
No, it is not true.
What is 0.88 plus 0.035 equals to?
To add decimal numbers you line up the decimal points... _0.88 +0.035 --------- _0.915
Why is it better to right align numbers?
So the decimal points line up and you can have a visual clue that larger numbers are longer.
Why is it not necessary to line up the decimal point when multiplying two numbers?
Because the number of digits after the decimal place in a product does not require that.
What do you need to line up decimal points before comparing and ordering numbers with decimals?
You do not, but it is easier.
Do you have to line up the decimals when you subtract?
Line up the numbers in such a way that the decimal points are aligned. . Example: 567.89 - 23.4 567.89 - 23.4 ===== 544.49
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.
