Transcript Welcome To Long Division - Fair Lawn Public Schools

Welcome To Long Division
By Mr. Hahn
Ronald Mcdonald and McDonald’s are copyrighted and owned by McDonald’s Co. I make no claim to have made them up, and I have no
affiliation with them. They are being used for educational purposes only.
The Key To Long Division
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•
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•
Does
McDonalds
Sell
Cheese
Boogers
•
Ronald Mcdonald and McDonald’s are copyrighted and owned by McDonald’s Co. I make no claim to have made them up, and I have no
affiliation with them. They are being used for educational purposes only.
The Key To Long Division
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•
•
•
•
Divide
Multiply
Subtract
Check
Bring Down
3 )6 4 2
Divide
• Divide your
divisor into
your dividend
2
3 )6 4 2
How many 3s
will go into 6?
Multiply
2
3 )6 4 2
6
• Multiply your divisor
by the number you
just wrote
3x2=6
Subtract
• Subtract the number you just wrote from
the divided
Please let it
stay this
easy!
2
3 )6 4 2
-6
0
Check
• Is the difference
less than the
divisor?
Even this dog
knows that 0
is less than 3!
2
3 )6 4 2
-6
0
Look out
Below!
Bring Down
2
3 )6 4 2
6
04
• Bring
down the
next digit
from the
dividend
Divide
• Divide your
divisor into
your dividend
How many 3s
will go into 4?
21
3 )6 4 2
6
04
21
3 )6 4 2
6
04
3
Multiply
• Multiply your divisor
by the number you
just wrote
3x1=3
• Subtract the
number you just
wrote from the
divided
Please let it
stay this
easy!
Subtract
21
3 )6 4 2
6
04
- 3
1
Check
• Is the difference
less than the
divisor?
Even this dog
knows that 1
is less than 3!
21
3 )6 4 2
6
04
- 3
1
Geronimo!
Bring Down
21
3 )6 4 2
6
04
- 3
12
• Bring
down the
next digit
from the
dividend
2 14
3 )6 4 2
6
04
- 3
12
Divide
• Divide your
divisor into
your dividend
When I started this problem, I
was your age. Now, I am
getting married. That is why
they call it LONG division!
How many 3s
will go into 12?
2 14
3 )6 4 2
6
04
- 3
12
12
Multiply
• Multiply your divisor
by the number you
just wrote
3 x 4 = 12
Seriously dude, I was lost
at 3 x 2. Where do you
get this stuff?
• Subtract the
number you just
wrote from the
divided
MAKE IT
STOP!!!
Subtract
2 14
3 )6 4 2
6
04
- 3
12
-12
0
Check
• Is the difference
less than the
divisor?
The dog ran
away, but
even I
remember 0
is less than 3!
2 14
3 )6 4 2
6
04
- 3
12
-12
0
Bring Down
• With nothing left to
bring down, your
problem is Finally
Finished!
It’s over, and
so am I…
Come on now, it didn’t take that long…
Answer
2 14
3 )6 4 2
6
04
- 3
12
-12