Operations with Decimals

Adding: When adding decimals together you can add the same types of place values of decimals together like the tenths place number together, hundredths place, etc. Afterwards you can add it all up to get your answer. 
ex. 3.2+2.4
wholes- 3.+2.=5.
tenths- 0.2+0.4=0.6
5.+0.6=5.6

Subtracting: When subtracting decimals together, like the adding method you can add the same types of place values together. After you can add the numbers together to get your answer.
ex. 5.2-2.1
wholes- 5.-2.=3.
tenths- 0.2-0.1=0.1
3.+0.1=3.1

Multiplying: When multiplying decimals you have to multiply whatever the number you want by the place values of the number your multiplying it with. After add up the numbers to get your answer.
ex. 2x2.13
wholes- 2.x2.=4.
tenths- 2x0.1=0.2
hundredths- 2x0.03=0.06
4.+0.2+0.06=4.26

Dividing: When dividing decimals you can divide the number you want by the place values in the number your multiplying it with. After add up the the numbers to get your answer.
ex.  0.22 divided by 2
tenths- 0.2 divided by 2= 0.1
hundredths- 0.02 divided by 2=0.01
0.10+0.01=0.11