Let's review the
multiplication rules for decimals:
count the number of decimal places
in each of the factors
multiply as usual, without
putting any decimal points in the partial products
add the decimal places of the two
factors together, then have that many decimal places in your new
product!
Before you try some REAL problems, let's see
if you
understand the basic rules!
How many decimal
places in 3.456?
How many decimal
places in 800?
In 5.1 x 3.2, how
many decimal places in the product?
Directions:
Copy the following problems on to
your own piece of paper. Remember that you need to write them
vertically, and you should NOT line up the decimal points. When
you have all your answers, click on the link below to print out an
answer sheet. If you get any wrong, please check the explanation
for that problem on the answer sheet.
