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Earn +20 ptsQ: Do you have to line up the decimal when you are adding?
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Why is it important to line up the decimal point before or after adding a decimal?
That is because if you don't, you will get the wrong answer. It is ALWAYS important to LINE up the decimals.
What do you do with the decimal when adding?
When adding decimal numbers, the decimal points should be lined-up.
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.
What is the rules adding decimal?
Line up the decimal points in a vertical column. Then add the numbers while ignoring the decimal point. Finally, put a decimal point in the answer in the same column as for the summands.
Why do you line up the decimal points when adding and subtracting?
you have to line up the decimal points because you need to keep each place value in the same column so when you add or subtract you wont make any errors
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