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How to use the Multiples of 10 Division Method

How to use the Multiples of 10 Division Method. Faribault Public Schools. Introduction . Division (repeated subtraction) Using the multiples of 10 of the divisor for an easy way to divide. Agenda. Examples Practice problems to do on your white board. For a problem like 245 / 5.

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How to use the Multiples of 10 Division Method

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  1. How to use the Multiples of 10 Division Method Faribault Public Schools Mr.H.

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

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

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

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

  6. Determine what’s the biggest one that is equal or less that what you are dividing into… 10 [5]= 20 [5]= 30 [5]= 40 [5]= 50 [5]= 50 100 150 200 250 40 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.

  7. 10 [5]= • 20 [5]= • 30 [5]= • 40 [5]= • 50 [5]= X X X X X 50 100 150 200 250 X X X X X 40 5 Mr.H. Since our number is smaller than our first answer ’50’ we need to go to the multiples less than ten by taking zeros away from both sides. Then repeat previous steps.

  8. 40 5 X X X X X 10 [5]= 20 [5]= 30 [5]= 40 [5]= 50 [5]= X X X X X 50 100 150 200 250 Repeat until your answer is less than 1 times your number. If it is zero you have no remainder. Excellent! If it’s not zero put R then that number after your outside total! Add up your outside numbers 4 Mr.H. 49

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