How to use the Multiples of 10 Division Method by club56

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									How to use the Multiples of 10
Division Method
        Faribault Public Schools




Mr.H.
Introduction
  Division (repeated subtraction)
  Using the multiples of 10 of the divisor for
   an easy way to divide.




Mr.H.
Agenda
  Examples
  Practice problems to do on your white
   board




Mr.H.
For a problem like 245 / 5
       First of all write the problem like this
                                     10
                                     20
                                     30
                                     40
                                     50
       Make a list of the multiples of 10 on the
        side.

Mr.H.
Then add brackets and your
divisor
                    10 [5]= 50
                    20 [5]= 100
                    30 [5]= 150
                    40 [5]= 200
                    50 [5]= 250


  Then figure out the
  multiples.
Mr.H.
     Determine what’s the biggest
     one that is equal or less that
     what you are dividing into…
                                                 10 [5]= 50
                                                 20 [5]= 100
                                                 30 [5]= 150
                                                 40 [5]= 200

                                            40   50 [5]= 250


Draw a line down the side of your problem
Subtract the number you picked from your
problem
Put the multiple of 10 on the outside
      Mr.H.
               X
              10 [5]=    X
                        50
               X        X
              20 [5]= 100
               X        X
              30 [5]= 150
        40
               X        X
              40 [5]= 200
               X        X
              50 [5]= 250




          5




Mr.H.
                        10 [5]= 50
                         X        X

                         X        X
                        20 [5]= 100
Repeat until
your answer is   40      X        X
                        30 [5]= 150
less than 1              X        X
                        40 [5]= 200
times your               X        X
                        50 [5]= 250
number. If it
is zero you
have no
remainder.         5
Excellent! If
it’s not zero
put R then
that number
after your
                  4    Add up your
outside total!
                       outside numbers
 Mr.H.
                 49

								
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