Transcript Let`s Divide! …a refresher on long division

Let’s Divide!
…a refresher on long division
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Long division
Long division is tricky!
Do you agree?
YES
NO
Long division
This is a tricky concept!
What makes it so tricky?
Long division
This is a tricky concept!
1.
Lining up everything
Long division
This is a tricky concept!
1.
Lining up everything
2.
Keeping track of numbers
Long division
This is a tricky concept!
2.
Lining up everything
Keeping track of numbers
3.
Remembering the steps
1.
Long division
This is a tricky concept!
Lining up the numbers
2. Keeping track of the numbers
3. Remembering the steps
1.
4.
Choosing the numbers to use
Long division
This is a tricky concept!
1. Lining up the numbers
2. Keeping track of the numbers
3. Remembering the steps
4. Choosing the numbers to use
5. It’s call LONG division!
1. Lining up everything
It is very important to keep all of your numbers lined up as you
do long division.
Two great ways to do this:

Use graph paper

Use lined paper, turned sideways
•Graph paper
•Lined paper, turned sideways
2. Keeping track of the numbers
3. Remembering the steps
Hardtotoremember
remembersteps
steps
Hard
D divide
M multiply
S subtract
D
M
S
B
B bring down
4. Choosing the number to use…
5. It takes SO-O-O LO-O-ONG!
Long division
Which one is hardest for you
right now?
1.
2.
3.
4.
5.
Lining up the numbers
Keeping track of the numbers
Remembering the steps
Choosing the numbers to use
It’s call LONG division!!
Let’s try it…
D divide
M multiply
S subtract
B bring down
3588 ÷ 6
Let’s try it…
D divide
M multiply
S subtract
B bring down
14,772 ÷ 12
D
M
S
B
820 ÷ 25
D
M
S
B
3,280 ÷ 64
Long division
Nothing will help you get
faster and better at it…
more than…
PRACTICE!!!