Transcript Cornell Notes  Essential Question:  How do you multiply decimals and what do you do with the decimal after you multiply? Write This Down When multiplying a number by.

Cornell Notes

Essential Question:

How do you multiply
decimals and what do
you do with the
decimal after you
multiply?
Write This Down
When multiplying a number by a
factor (decimal) LESS than 1 the
product (answer) will be LESS than
the original number
4 x .5 = 2
When multiplying a number by a
factor (decimal) GREATER than 1
the product (answer) will be
GREATER than the original number
4 x 1.5 = 6
Write This Down
When multiplying a number by
a factor (decimal) EQUAL to 1
the product (answer) will be
EQUAL to the original number
4 X 1.0 = 4
4.5
X
0.2
________
90
________
90
0.25
x
0.11
_________
025
0250
0275
4
x
0.25
__________
20
80
100
4.5
X
0.2
________
90
________
.90
0.25
x
0.11
_________
025
0250
.0275
4
x
0.25
__________
20
80
1.00
When you are finished multiplying
decimals you count the total
number of the numbers to the
RIGHT of all decimal points in the
problem!
Then you move the decimal point
that many places to the left of your
product (answer)