Encourage your child to work on a new math addition worksheet everyday to keep adding skills fresh. Mix things up with basic addition worksheets and more challenging exercises, and even a few addition facts worksheets to keep your child engaged with the subject.
Children may find the easiest way to work this out is by using the column method, where all the numbers are placed in a column, one on top of the other. It is vital that they remember that the decimal points of each number must line up. Once they’ve worked out using pencil and paper, let them check on a calculator as using decimals accurately on a calculator is an important real life skill too.