To add the two decimals together
to know where to step and how long
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.
line up the demials
39.63 +42.35 ------------ 81.98 Just line up the decimals and then add.
You write them, one below the other, with their decimal points aligned.
To add the two decimals together
Just make sure you line up the 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.
to know where to step and how long
because you can always add a 0 when using decimals
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
Try again.
line up the demials
you can add up 8.44 and .45