OMG! Why was I not shown this in Maths class? Column Subtraction Made Easy!

Posted on by magicalmaths — 2 Comments ↓

Column Subtraction Made Simple

What a wonderful way of making column subtraction simple for any pupil who is finding it challenging.

It is so simple but yet so effective!

When you are in a position that you have to borrow from a next door place value and the first number is a multiple of 10,100, 1000…., simply subtract 1 from each of the numbers and if by magic the column subtraction becomes a lot easier!

Column Subtraction Borrow From Next Door

 

Column Subtraction Borrow From Next Door Thumb Nail 1
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2 comments on “OMG! Why was I not shown this in Maths class? Column Subtraction Made Easy!”
  1. Nigel says:
    25/10/2015 at 14:09

    When you say “borrow”, you mean exchange, right?

    Reply

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