Transcript EDI NS 2_1 Dividing Decimals

Today we will divide
with decimals.
Divide= Divide means to break a
number of items into groups that have
the same amount.
You work all day with three other friends and
you employer pays you 160.00 dollars for
the day. You must now divide the $160.00
evenly between the 4 of you. How much
does that equal?
$40.00 each!
You have now just
divided!!!!
divide
Divide means to break a
number of items into groups
that have the same amount.
decimal
numbers less than zero
0.07
0.7
This figure has an area of 3.6 units.
0.8
0.8 =
4 . 5
0 . 8 3 .. 6 0
-3 2
4.5
Let’s divide 3.6
4 0
-4 0
0 0
Let’s work some out together!
4.531 ÷ 0.05
1st step: First number goes inside.
Second number goes outside.
2nd step: Move the decimal pt. in the
divisor all the way to the right (make it a
whole number), then move the decimal
pt inside the same amount. Place
decimal pt. straight above on top.
.
. 59 0 62
. 3.1 0
.
- 40
5
-3 2
3rd step: long division (be careful to
keep digits lined up).
0
-0
3
- 30
1
- 10
0
4 0
-4 0
0 0
Let’s work some out together!
0.24
0.08=
.
1st step: First number goes
inside. Second number goes
outside
2nd step: Move the decimal pt.
in the divisor all the way to the
right (make it a whole number).
3rd Step: Move the decimal pt
inside the same amount.
4th Step: Place decimal pt.
straight above on top.
5th step: long division (be
careful to
keep digits lined up).
0 3
0 ..0 8 . 0 2.4
-0 0
024
-2 4
00
Let’s work them out in steps!
84.48
0.88=
.
1st step: First number goes
inside. Second number goes
outside
2nd step: Move the decimal pt.
in the divisor all the way to the
right (make it a whole number).
3rd Step: Move the decimal pt
inside the same amount.
4th Step: Place decimal pt.
straight above on top.
5th step: long division (be
careful to
keep digits lined up).
96
0.8 8 . 8 4. 4 8
-7 9 2
528
-5 2 8
000
.
167.4
0.93=
1st step: First number goes
inside. Second number goes
outside
2nd step: Move the decimal pt.
in the divisor all the way to the
right (make it a whole number).
3rd Step: Move the decimal pt
inside the same amount.
4th Step: Place decimal pt.
straight above on top.
5th step: long division (be
careful to
keep digits lined up).
18 0
0 . 9 3 ..1 6 7. 4 0
-9 3
74 4
-7 4 4
000
-0 0 0
000
Let’s review what we learned!
• What does divide mean?
• What is a decimal?
Divide means to break a number of items
into groups that have the same amount.
Decimal=numbers less than zero