to add decimals:
-line up the decimal points
-then starting at the farthest place to the right, add the decimal in each place
-if the sum of the digits in a place are greater than nine,regroup the number to the place to its left.
-check the sum by writing each decimal as an equivalent fraction and then adding these numbers or mixed numbers.
To add the two decimals together
line up the decimals together
You add the two numbers, and divide the result by 2.
You subtract decimals together.
Because you could mess up and add the wrong numbers together.
Just make sure you line up the decimals
because you can always add a 0 when using decimals
You can use decimal models to add decimals by using the hundedths blocks as used in base-ten blocks and add the following decimals you need to and use the hundredths block to shade in the total.
Convert the repeating decimals into fractions, and then add those. If you need it as a decimal, then you can just convert the product back into a decimal!:)
You line up the decimals with the thousandths and put the decimal straight down from where it is and just add with the decimal in the same spot.
by converting them to equivalent fractions