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Yes.

Yes

adding subtracting multiplying and dividing

Adding decimal same as adding whole numbers

They aren't. The rules are the same as those for adding/subtracting or multiplying integers. Just be careful of the decimal point's location.

When adding and/or subtracting, your answer can only show as many decimal places as the measurement having the fewest number in the decimal places.

First you write the decimals one under the other, in such as way that the decimal points are aligned.

I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.

Mostly geometry, adding, subtracting fractions and decimals.

When you are adding and subtracting decimals, youare +/- ing the whole numbers and tenths in the number. the decimal might go away ex: 1.3-0.3=1 or it won't ex: 1.9-0.3=1.6

Yes, unless you are an expert.

Yes l

line up the decimal point when your adding and subtracting. add annex a zero when you have extra number. sometimes you can use a number line.

When adding or subtracting fractions their denominators must be the same

A Common Denominator

as many as needed to satisfy the accuracy needed.

Write them one above the other with the decimal points aligned.

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

You subtract decimals together.

The key would be to add (00.) before your decimal. IE 00.41 + 00.95 = 01.36

You can do reverse operation to check. If you checked it and it is not the answer you got, try the problem and recheck it to see if your right.

school you can always get help from teachers, parents or people who think might know

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.

Decimals are fractions. Fractions are easy to picture graphically. Considering them in a concrete fashion makes the basic operations of addition and subtraction easy to visualize.

Same.