MATH 0930
Fall 2014
Name:_______________________
Decimal Worksheet
Due Wednesday, 9/4/2014
(each problem worth 2 points, for a total of 30 points possible)
Remember the following rules for working with decimal numbers:
Addition
Line up the decimal points (use 0 place holders,
if desired).
Subtraction
Line up the decimal points (must use 0 place holders
in case borrowing is necessary).
Multiplication
Do NOT line up the decimal points, do line up digits to
the right & multiply (ignoring decimals), then
use the TOTAL number of decimal places to
decide where to put the decimal point in the
answer (use 0 place holders if necessary).
Division
Take care of decimal placement first (if the divisor
has a decimal in it, move that decimal point to
the right until it is at the end of the number;
then move the decimal point in the dividend
the same number of places, using 0 place
holders if necessary).
Perform the indicated operations – show all of your work, otherwise
you will not receive credit (if additional space is needed, attach
notebook paper). Place your answer in the blank provided.
1)
3)
1.6  0.97  _______
2)
9.6  0.5  _____
0.8  0.2  ______
4) 25  0.026  _______
(over)
Page 2
5)
2.8  100  _____
6)
7)
9.8  0.9  _____
8)
9)
123.6  48.04  _____
10)
25.76  46  _______
2.16  0.8  _______
0.03  0.0025  _____
Page 3
11)
96.21  7.028  121.7  _____
12)
12.004  2.3  _____
13)
160  43.19  _____
14)
15.62  10  _____
15)
0.0072  0.06  _____