Posts tagged as "subtraction"

Posted by Peter on 3rd March 2010

Resource of the Week: Year 4 Find a difference

Sometimes a simple question can reveal a great deal about how children deal with numbers. This maths worksheet on finding differences is full of such questions.
Let’s look at 3005 – 8 which is easier to do mentally than on paper.
There are several ways that this can be done.
1. Count down, one at a time, 8 [...]

Posted by Peter on 15th September 2009

Maths Worksheet: Use the Subtraction Sign (Year 1)

This worksheet can be used as a check to see how well your child has learned their subtraction facts. There are several ways that this page could be tackled, depending on the confidence and knowledge of the child. Some children may want to use the number line to count back, others might prefer to use [...]

Posted by Peter on 14th September 2009

Written subtraction with zeros

One of the hardest ideas to get across to children is when they are carrying out a subtraction which requires adjusting across two columns. This only happens when there is a zero involved.
For example:
703
286 -
3 – 6 does not give a positive answer so an adjustment to the top number needs to be made. A [...]

Posted by Peter on 4th August 2009

Subtraction of money

This is another in our series of worksheets covering the four rules. Children should be competent with the standard written method of subtraction before moving onto subtracting decimals. Money is an excellent way to show how decimals work and it is important to ensure that there are two numbers after the decimal point. Another key [...]

Posted by Peter on 1st July 2009

Maths Worksheet: Year 4 Find a Difference

Sometimes a simple question can reveal a great deal about how children deal with numbers. This maths worksheet on finding differences is full of such questions.
Let’s look at 3005 – 8 which is easier to do mentally than on paper.
There are several ways that this can be done.
1. Count down, one at a time, 8 [...]

Posted by Peter on 8th June 2009

Maths Worksheet: Subtract a Single Digit (year 2)

Once children are confident with subtracting single digits from single digits they can move on to subtracting from 2-digit numbers. This maths worksheet has a number line to help. Children can either start with the larger number and count back, or start with the smaller number and count on.
The next stage would be to start [...]

Posted by Peter on 18th May 2009

Maths worksheet: Standard subtraction of 3-digits

Here is a basic set of subtraction questions using 3-digit numbers. They should be tackled in the standard method as described in earlier 2-digit subtraction worksheets. Notice that there are no zeros in the tens column as this can lead to particular problems and needs a set of questions all of its own.
The last three [...]

Posted by Peter on 12th May 2009

Mental arithmetic: Subtracting single digits from multiples of 100 and 1000

A pretty straightforward worksheet in two parts. The first part looks at subtraction of a single digit from multiples of 100. The second half looks at subtracting from multiples of 1000. The obvious way to do this is to count back, but when you ask children who are very quick with maths they seem to [...]

Posted by Peter on 5th May 2009

Standard written subtraction with zeros.

Here is another maths worksheet which looks at the standard method of subtraction, often called decomposition. Once again the numbers are small, and many children will be able to work the answers out ‘in their heads’. However, it provides good practice with the method, whilst not having to worry too much about the size of [...]

Posted by Peter on 29th April 2009

Mental arithmetic: subtracting from 100

Here is a maths worksheet on using mental arithmetic to subtract from 100. This is probably the type of calculation we do more than any other, especially when working out change from £1.00. There are several processes or ways to do these.
Let’s look at an example: 100 – 47.
One way is to add on 3 [...]