Posted by Peter on 12th December 2007

Free Y3 maths worksheet: Subtraction – with a number square

calculate graphicThe second of our free maths worksheets using a 1-100 number square to help with subtraction. A number square can be used in much the same way as a number line but it makes it easier to subtract whole tens when subtracting a 2-digit number.
For example, when taking 52 from 70 the square can be used to take 50 and then count back another 2.

The language of subtraction is important on this page. Children can get into the habit of automatically subtracting the second number from the fist, hence they get into difficulties when faced with a question such as:

subtract 18 from 80.

(Make sure they don’t try to take 80 from 18!).

Free Y3 maths worksheet: Subtraction with a number square (pg 2)

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