Remember the rules from the lesson for subtracting decimals? When you subtract decimals, line up the
decimal points. If there doesn't appear to be a point, it is
understood to be to the right of the number. If
the top number has fewer decimal places than the bottom number, you
should annex zeroes.
Ready to test
your knowledge?
Let's
start with some easy questions to make sure you know the basic rules.
In the
problem, 8.2 - 3.998, how should you rename 8.2 ?
Where
is the decimal point in a whole number?
What is
the definition of a "decimal place"?
Now
you should be ready for some real problems! Find the difference
(answer) for each problem below and then check your answer. If you
need further explanation, click on the why
button. Ready???
